52501537 has 12 divisors (see below), whose sum is σ = 57958740. Its totient is φ = 47521760.

The previous prime is 52501529. The next prime is 52501543. The reversal of 52501537 is 73510525.

It can be written as a sum of positive squares in 2 ways, for example, as 16032016 + 36469521 = 4004^2 + 6039^2 .

It is not a de Polignac number, because 52501537 - 2³ = 52501529 is a prime.

It is a super-2 number, since 2×52501537² = 5512822774724738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52501577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31743 + ... + 33355.

It is an arithmetic number, because the mean of its divisors is an integer number (4829895).

Almost surely, 2^52501537 is an apocalyptic number.

It is an amenable number.

52501537 is a deficient number, since it is larger than the sum of its proper divisors (5457203).

52501537 is a wasteful number, since it uses less digits than its factorization.

52501537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 52501537 is about 7245.7944353949. The cubic root of 52501537 is about 374.4472734195.

The spelling of 52501537 in words is "fifty-two million, five hundred one thousand, five hundred thirty-seven".