52951990 has 32 divisors (see below), whose sum is σ = 117311040. Its totient is φ = 16758144.

The previous prime is 52951981. The next prime is 52952051. The reversal of 52951990 is 9915925.

It is a congruent number.

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, 28185 + ... + 30004.

It is an arithmetic number, because the mean of its divisors is an integer number (3665970).

Almost surely, 2^52951990 is an apocalyptic number.

52951990 is an abundant number, since it is smaller than the sum of its proper divisors (64359050).

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

52951990 is a wasteful number, since it uses less digits than its factorization.

52951990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58216.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 52951990 is about 7276.8118018814. The cubic root of 52951990 is about 375.5151202272.

The spelling of 52951990 in words is "fifty-two million, nine hundred fifty-one thousand, nine hundred ninety".