90100552 has 16 divisors (see below), whose sum is σ = 171802800. Its totient is φ = 44286480.

The previous prime is 90100547. The next prime is 90100553. The reversal of 90100552 is 25500109.

It is not an unprimeable number, because it can be changed into a prime (90100553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94974 + ... + 95917.

It is an arithmetic number, because the mean of its divisors is an integer number (10737675).

Almost surely, 2^90100552 is an apocalyptic number.

It is an amenable number.

90100552 is a deficient number, since it is larger than the sum of its proper divisors (81702248).

90100552 is a wasteful number, since it uses less digits than its factorization.

90100552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190956 (or 190952 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 90100552 is about 9492.1310568281. The cubic root of 90100552 is about 448.3073066923.

The spelling of 90100552 in words is "ninety million, one hundred thousand, five hundred fifty-two".