90553892 has 96 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 35642880.

The previous prime is 90553891. The next prime is 90553901. The reversal of 90553892 is 29835509.

It is not an unprimeable number, because it can be changed into a prime (90553891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879113 + ... + 879215.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^90553892 is an apocalyptic number.

It is an amenable number.

90553892 is an abundant number, since it is smaller than the sum of its proper divisors (107578588).

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

90553892 is a wasteful number, since it uses less digits than its factorization.

90553892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 90553892 is about 9515.9808742977. The cubic root of 90553892 is about 449.0579337054.

The spelling of 90553892 in words is "ninety million, five hundred fifty-three thousand, eight hundred ninety-two".