90057953 has 8 divisors (see below), whose sum is σ = 92300736. Its totient is φ = 87822000.

The previous prime is 90057931. The next prime is 90057977. The reversal of 90057953 is 35975009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90057953 - 2²⁰ = 89009377 is a prime.

It is a super-2 number, since 2×90057953² = 16220869797100418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90057353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34028 + ... + 36578.

It is an arithmetic number, because the mean of its divisors is an integer number (11537592).

Almost surely, 2^90057953 is an apocalyptic number.

It is an amenable number.

90057953 is a deficient number, since it is larger than the sum of its proper divisors (2242783).

90057953 is a wasteful number, since it uses less digits than its factorization.

90057953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 90057953 is about 9489.8868802531. The cubic root of 90057953 is about 448.2366432204.

The spelling of 90057953 in words is "ninety million, fifty-seven thousand, nine hundred fifty-three".