52636860 has 36 divisors (see below), whose sum is σ = 159665688. Its totient is φ = 14036448.

The previous prime is 52636849. The next prime is 52636861. The reversal of 52636860 is 6863625.

52636860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52636861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146034 + ... + 146393.

It is an arithmetic number, because the mean of its divisors is an integer number (4435158).

Almost surely, 2^52636860 is an apocalyptic number.

It is an amenable number.

52636860 is an abundant number, since it is smaller than the sum of its proper divisors (107028828).

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

52636860 is a wasteful number, since it uses less digits than its factorization.

52636860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292442 (or 292437 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 52636860 is about 7255.1264634050. The cubic root of 52636860 is about 374.7687107100.

The spelling of 52636860 in words is "fifty-two million, six hundred thirty-six thousand, eight hundred sixty".