53700402 has 32 divisors (see below), whose sum is σ = 126979200. Its totient is φ = 14813568.

The previous prime is 53700397. The next prime is 53700457. The reversal of 53700402 is 20400735.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 20827 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (3968100).

Almost surely, 2^53700402 is an apocalyptic number.

53700402 is an abundant number, since it is smaller than the sum of its proper divisors (73278798).

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

53700402 is a wasteful number, since it uses less digits than its factorization.

53700402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44130.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 53700402 is about 7328.0558131062. The cubic root of 53700402 is about 377.2760000279.

The spelling of 53700402 in words is "fifty-three million, seven hundred thousand, four hundred two".