49493880 has 48 divisors (see below), whose sum is σ = 160856280. Its totient is φ = 13198272.

The previous prime is 49493863. The next prime is 49493881. The reversal of 49493880 is 8839494.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49493881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68382 + ... + 69101.

Almost surely, 2^49493880 is an apocalyptic number.

49493880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49493880 is an abundant number, since it is smaller than the sum of its proper divisors (111362400).

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

49493880 is a wasteful number, since it uses less digits than its factorization.

49493880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137500 (or 137493 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 49493880 is about 7035.1886968297. The cubic root of 49493880 is about 367.1558905821.

The spelling of 49493880 in words is "forty-nine million, four hundred ninety-three thousand, eight hundred eighty".