64755156 has 48 divisors (see below), whose sum is σ = 157498880. Its totient is φ = 20684160.

The previous prime is 64755139. The next prime is 64755157. The reversal of 64755156 is 65155746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64755157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39750 + ... + 41346.

Almost surely, 2^64755156 is an apocalyptic number.

It is an amenable number.

64755156 is an abundant number, since it is smaller than the sum of its proper divisors (92743724).

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

64755156 is a wasteful number, since it uses less digits than its factorization.

64755156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744 (or 1742 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 64755156 is about 8047.0588415893. The cubic root of 64755156 is about 401.5670941886.

The spelling of 64755156 in words is "sixty-four million, seven hundred fifty-five thousand, one hundred fifty-six".