52507408 has 20 divisors (see below), whose sum is σ = 101846160. Its totient is φ = 26224544.

The previous prime is 52507391. The next prime is 52507409. The reversal of 52507408 is 80470525.

It is a self number, because there is not a number n which added to its sum of digits gives 52507408.

It is not an unprimeable number, because it can be changed into a prime (52507409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24891 + ... + 26917.

It is an arithmetic number, because the mean of its divisors is an integer number (5092308).

Almost surely, 2^52507408 is an apocalyptic number.

It is an amenable number.

52507408 is a deficient number, since it is larger than the sum of its proper divisors (49338752).

52507408 is a wasteful number, since it uses less digits than its factorization.

52507408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 52507408 is about 7246.1995556291. The cubic root of 52507408 is about 374.4612304585.

The spelling of 52507408 in words is "fifty-two million, five hundred seven thousand, four hundred eight".