52566402 has 16 divisors (see below), whose sum is σ = 120151872. Its totient is φ = 15018960.

The previous prime is 52566383. The next prime is 52566403. The reversal of 52566402 is 20466525.

It is a self number, because there is not a number n which added to its sum of digits gives 52566402.

It is not an unprimeable number, because it can be changed into a prime (52566403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625749 + ... + 625832.

It is an arithmetic number, because the mean of its divisors is an integer number (7509492).

Almost surely, 2^52566402 is an apocalyptic number.

52566402 is an abundant number, since it is smaller than the sum of its proper divisors (67585470).

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

52566402 is a wasteful number, since it uses less digits than its factorization.

52566402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251593.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 52566402 is about 7250.2690984542. The cubic root of 52566402 is about 374.6014182815.

The spelling of 52566402 in words is "fifty-two million, five hundred sixty-six thousand, four hundred two".