90554616 has 48 divisors (see below), whose sum is σ = 249420600. Its totient is φ = 29671872.

The previous prime is 90554599. The next prime is 90554621. The reversal of 90554616 is 61645509.

90554616 is a `hidden beast` number, since 90 + 554 + 6 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6411 + ... + 14906.

Almost surely, 2^90554616 is an apocalyptic number.

It is an amenable number.

90554616 is an abundant number, since it is smaller than the sum of its proper divisors (158865984).

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

90554616 is a wasteful number, since it uses less digits than its factorization.

90554616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388 (or 21381 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 90554616 is about 9516.0189154919. The cubic root of 90554616 is about 449.0591304774.

The spelling of 90554616 in words is "ninety million, five hundred fifty-four thousand, six hundred sixteen".