52402806 has 24 divisors (see below), whose sum is σ = 120218904. Its totient is φ = 16440000.

The previous prime is 52402783. The next prime is 52402837. The reversal of 52402806 is 60820425.

It is a self number, because there is not a number n which added to its sum of digits gives 52402806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85320 + ... + 85931.

It is an arithmetic number, because the mean of its divisors is an integer number (5009121).

Almost surely, 2^52402806 is an apocalyptic number.

52402806 is an abundant number, since it is smaller than the sum of its proper divisors (67816098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52402806 is a wasteful number, since it uses less digits than its factorization.

52402806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171276 (or 171273 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 52402806 is about 7238.9782428185. The cubic root of 52402806 is about 374.2124056785.

The spelling of 52402806 in words is "fifty-two million, four hundred two thousand, eight hundred six".