90954564 has 48 divisors (see below), whose sum is σ = 218641920. Its totient is φ = 29410560.

The previous prime is 90954559. The next prime is 90954571. The reversal of 90954564 is 46545909.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109302 + ... + 110130.

It is an arithmetic number, because the mean of its divisors is an integer number (4555040).

Almost surely, 2^90954564 is an apocalyptic number.

It is an amenable number.

90954564 is an abundant number, since it is smaller than the sum of its proper divisors (127687356).

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

90954564 is a wasteful number, since it uses less digits than its factorization.

90954564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1098 counting only the distinct ones).

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

The square root of 90954564 is about 9537.0102233352. The cubic root of 90954564 is about 449.7192718204.

The spelling of 90954564 in words is "ninety million, nine hundred fifty-four thousand, five hundred sixty-four".