48449520 has 120 divisors (see below), whose sum is σ = 185973216. Its totient is φ = 11073024.

The previous prime is 48449503. The next prime is 48449521. The reversal of 48449520 is 2594484.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48449521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234 + ... + 9846.

Almost surely, 2^48449520 is an apocalyptic number.

48449520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48449520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92986608).

48449520 is an abundant number, since it is smaller than the sum of its proper divisors (137523696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48449520 is a wasteful number, since it uses less digits than its factorization.

48449520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639 (or 9630 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 48449520 is about 6960.5689422633. The cubic root of 48449520 is about 364.5550843382. Note that the first 3 decimals are identical.

The spelling of 48449520 in words is "forty-eight million, four hundred forty-nine thousand, five hundred twenty".