45287864552 has 32 divisors (see below), whose sum is σ = 97663566720. Its totient is φ = 19285456320.

The previous prime is 45287864551. The next prime is 45287864581. The reversal of 45287864552 is 25546878254.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (45287864551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566724 + ... + 2584307.

It is an arithmetic number, because the mean of its divisors is an integer number (3051986460).

Almost surely, 2^45287864552 is an apocalyptic number.

It is an amenable number.

45287864552 is an abundant number, since it is smaller than the sum of its proper divisors (52375702168).

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

45287864552 is a wasteful number, since it uses less digits than its factorization.

45287864552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151201 (or 5151197 counting only the distinct ones).

The product of its digits is 21504000, while the sum is 56.

The spelling of 45287864552 in words is "forty-five billion, two hundred eighty-seven million, eight hundred sixty-four thousand, five hundred fifty-two".