64548550 has 24 divisors (see below), whose sum is σ = 130975992. Its totient is φ = 23472000.

The previous prime is 64548503. The next prime is 64548551. The reversal of 64548550 is 5584546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64548551) 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, 58131 + ... + 59230.

It is an arithmetic number, because the mean of its divisors is an integer number (5457333).

Almost surely, 2^64548550 is an apocalyptic number.

64548550 is an abundant number, since it is smaller than the sum of its proper divisors (66427442).

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

64548550 is a wasteful number, since it uses less digits than its factorization.

64548550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117384 (or 117379 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 64548550 is about 8034.2112245074. The cubic root of 64548550 is about 401.1395629079.

The spelling of 64548550 in words is "sixty-four million, five hundred forty-eight thousand, five hundred fifty".