90712053504 has 54 divisors (see below), whose sum is σ = 261545219936. Its totient is φ = 30237350400.

The previous prime is 90712053503. The next prime is 90712053517. The reversal of 90712053504 is 40535021709.

90712053504 is a `hidden beast` number, since 90 + 7 + 12 + 0 + 53 + 504 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90712053503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19683472 + ... + 19688079.

Almost surely, 2^90712053504 is an apocalyptic number.

It is an amenable number.

90712053504 is an abundant number, since it is smaller than the sum of its proper divisors (170833166432).

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

90712053504 is a wasteful number, since it uses less digits than its factorization.

90712053504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39371573 (or 39371556 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

It can be divided in two parts, 9071205 and 3504, that added together give a palindrome (9074709).

The spelling of 90712053504 in words is "ninety billion, seven hundred twelve million, fifty-three thousand, five hundred four".