52430538 has 32 divisors (see below), whose sum is σ = 110707200. Its totient is φ = 16508016.

The previous prime is 52430509. The next prime is 52430549. The reversal of 52430538 is 83503425.

It is a super-2 number, since 2×52430538² = 5497922629938888, which contains 22 as substring.

It is a Curzon 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, 70195 + ... + 70937.

It is an arithmetic number, because the mean of its divisors is an integer number (3459600).

Almost surely, 2^52430538 is an apocalyptic number.

52430538 is an abundant number, since it is smaller than the sum of its proper divisors (58276662).

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

52430538 is a wasteful number, since it uses less digits than its factorization.

52430538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 52430538 is about 7240.8934531589. The cubic root of 52430538 is about 374.2784061412.

The spelling of 52430538 in words is "fifty-two million, four hundred thirty thousand, five hundred thirty-eight".