90552570 has 32 divisors (see below), whose sum is σ = 218299968. Its totient is φ = 24039168.

The previous prime is 90552563. The next prime is 90552589. The reversal of 90552570 is 7525509.

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, 162 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (6821874).

Almost surely, 2^90552570 is an apocalyptic number.

90552570 is an abundant number, since it is smaller than the sum of its proper divisors (127747398).

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

90552570 is a wasteful number, since it uses less digits than its factorization.

90552570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 90552570 is about 9515.9114119458. The cubic root of 90552570 is about 449.0557484230.

The spelling of 90552570 in words is "ninety million, five hundred fifty-two thousand, five hundred seventy".