90255572602 has 32 divisors (see below), whose sum is σ = 147418362000. Its totient is φ = 41195755008.

The previous prime is 90255572591. The next prime is 90255572629. The reversal of 90255572602 is 20627555209.

It can be written as a sum of positive squares in 8 ways, for example, as 15622250121 + 74633322481 = 124989^2 + 273191^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836278 + ... + 938014.

Almost surely, 2^90255572602 is an apocalyptic number.

90255572602 is a deficient number, since it is larger than the sum of its proper divisors (57162789398).

90255572602 is a wasteful number, since it uses less digits than its factorization.

90255572602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102130.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 90255572602 in words is "ninety billion, two hundred fifty-five million, five hundred seventy-two thousand, six hundred two".