90556944 has 40 divisors (see below), whose sum is σ = 234434400. Its totient is φ = 30121728.

The previous prime is 90556933. The next prime is 90556981. The reversal of 90556944 is 44965509.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90556896 and 90556905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24532 + ... + 27980.

It is an arithmetic number, because the mean of its divisors is an integer number (5860860).

Almost surely, 2^90556944 is an apocalyptic number.

It is an amenable number.

90556944 is an abundant number, since it is smaller than the sum of its proper divisors (143877456).

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

90556944 is a wasteful number, since it uses less digits than its factorization.

90556944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 90556944 is about 9516.1412347653. The cubic root of 90556944 is about 449.0629786181.

The spelling of 90556944 in words is "ninety million, five hundred fifty-six thousand, nine hundred forty-four".