52402537 has 12 divisors (see below), whose sum is σ = 57861648. Its totient is φ = 47066000.

The previous prime is 52402529. The next prime is 52402541. The reversal of 52402537 is 73520425.

It is not a de Polignac number, because 52402537 - 2³ = 52402529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52402237) 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, 111978 + ... + 112444.

It is an arithmetic number, because the mean of its divisors is an integer number (4821804).

Almost surely, 2^52402537 is an apocalyptic number.

It is an amenable number.

52402537 is a deficient number, since it is larger than the sum of its proper divisors (5459111).

52402537 is a wasteful number, since it uses less digits than its factorization.

52402537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 52402537 is about 7238.9596628245. The cubic root of 52402537 is about 374.2117653610.

It can be divided in two parts, 5240 and 2537, that added together give a palindrome (7777).

The spelling of 52402537 in words is "fifty-two million, four hundred two thousand, five hundred thirty-seven".