52408685 has 16 divisors (see below), whose sum is σ = 73344000. Its totient is φ = 35936208.

The previous prime is 52408663. The next prime is 52408717. The reversal of 52408685 is 58680425.

It is not a de Polignac number, because 52408685 - 2⁶ = 52408621 is a prime.

It is a congruent 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, 13565 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (4584000).

Almost surely, 2^52408685 is an apocalyptic number.

It is an amenable number.

52408685 is a deficient number, since it is larger than the sum of its proper divisors (20935315).

52408685 is an equidigital number, since it uses as much as digits as its factorization.

52408685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30585 (or 30571 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 52408685 is about 7239.3842970242. The cubic root of 52408685 is about 374.2263992833.

The spelling of 52408685 in words is "fifty-two million, four hundred eight thousand, six hundred eighty-five".