90959100056 has 32 divisors (see below), whose sum is σ = 186066622800. Its totient is φ = 41341952640.

The previous prime is 90959100031. The next prime is 90959100059. The reversal of 90959100056 is 65000195909.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90959100059) 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, 1482566 + ... + 1542698.

Almost surely, 2^90959100056 is an apocalyptic number.

It is an amenable number.

90959100056 is an abundant number, since it is smaller than the sum of its proper divisors (95107522744).

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

90959100056 is a wasteful number, since it uses less digits than its factorization.

90959100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77339 (or 77335 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 44.

The spelling of 90959100056 in words is "ninety billion, nine hundred fifty-nine million, one hundred thousand, fifty-six".