90250053 has 8 divisors (see below), whose sum is σ = 120463488. Its totient is φ = 60101664.

The previous prime is 90250051. The next prime is 90250063. The reversal of 90250053 is 35005209.

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

It is not a de Polignac number, because 90250053 - 2¹ = 90250051 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90250051) 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, 12925 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (15057936).

Almost surely, 2^90250053 is an apocalyptic number.

It is an amenable number.

90250053 is a deficient number, since it is larger than the sum of its proper divisors (30213435).

90250053 is a wasteful number, since it uses less digits than its factorization.

90250053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32523.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 90250053 is about 9500.0027894733. The cubic root of 90250053 is about 448.5551237290. Note that the first 3 decimals are identical.

The spelling of 90250053 in words is "ninety million, two hundred fifty thousand, fifty-three".