52513438 has 8 divisors (see below), whose sum is σ = 78803640. Its totient is φ = 26245560.

The previous prime is 52513423. The next prime is 52513441. The reversal of 52513438 is 83431525.

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

It is a super-2 number, since 2×52513438² = 5515322341159688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848 + ... + 10636.

It is an arithmetic number, because the mean of its divisors is an integer number (9850455).

Almost surely, 2^52513438 is an apocalyptic number.

52513438 is a deficient number, since it is larger than the sum of its proper divisors (26290202).

52513438 is a wasteful number, since it uses less digits than its factorization.

52513438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162.

The product of its digits is 14400, while the sum is 31.

The square root of 52513438 is about 7246.6156238619. The cubic root of 52513438 is about 374.4755644029.

The spelling of 52513438 in words is "fifty-two million, five hundred thirteen thousand, four hundred thirty-eight".