65556252 has 36 divisors (see below), whose sum is σ = 169569400. Its totient is φ = 21343392.

The previous prime is 65556247. The next prime is 65556277. The reversal of 65556252 is 25265556.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19627 + ... + 22722.

Almost surely, 2^65556252 is an apocalyptic number.

It is an amenable number.

65556252 is an abundant number, since it is smaller than the sum of its proper divisors (104013148).

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

65556252 is a wasteful number, since it uses less digits than its factorization.

65556252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42402 (or 42397 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 65556252 is about 8096.6815424592. The cubic root of 65556252 is about 403.2162615087.

The spelling of 65556252 in words is "sixty-five million, five hundred fifty-six thousand, two hundred fifty-two".