90580536 has 48 divisors (see below), whose sum is σ = 245840400. Its totient is φ = 30129792.

The previous prime is 90580519. The next prime is 90580541. The reversal of 90580536 is 63508509.

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

It is a self number, because there is not a number n which added to its sum of digits gives 90580536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43405 + ... + 45443.

It is an arithmetic number, because the mean of its divisors is an integer number (5121675).

Almost surely, 2^90580536 is an apocalyptic number.

It is an amenable number.

90580536 is an abundant number, since it is smaller than the sum of its proper divisors (155259864).

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

90580536 is a wasteful number, since it uses less digits than its factorization.

90580536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 2661 counting only the distinct ones).

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

The square root of 90580536 is about 9517.3807321132. The cubic root of 90580536 is about 449.1019720346.

The spelling of 90580536 in words is "ninety million, five hundred eighty thousand, five hundred thirty-six".