90054875 has 8 divisors (see below), whose sum is σ = 112388640. Its totient is φ = 72043800.

The previous prime is 90054871. The next prime is 90054883. The reversal of 90054875 is 57845009.

It is not a de Polignac number, because 90054875 - 2² = 90054871 is a prime.

It is a super-2 number, since 2×90054875² = 16219761022531250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90054871) 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, 360095 + ... + 360344.

It is an arithmetic number, because the mean of its divisors is an integer number (14048580).

Almost surely, 2^90054875 is an apocalyptic number.

90054875 is a deficient number, since it is larger than the sum of its proper divisors (22333765).

90054875 is an equidigital number, since it uses as much as digits as its factorization.

90054875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720454 (or 720444 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 90054875 is about 9489.7247062283. The cubic root of 90054875 is about 448.2315365528.

The spelling of 90054875 in words is "ninety million, fifty-four thousand, eight hundred seventy-five".