53407836 has 30 divisors (see below), whose sum is σ = 139619480. Its totient is φ = 17802504.

The previous prime is 53407813. The next prime is 53407847. The reversal of 53407836 is 63870435.

It is a happy number.

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 self number, because there is not a number n which added to its sum of digits gives 53407836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82096 + ... + 82743.

Almost surely, 2^53407836 is an apocalyptic number.

It is an amenable number.

53407836 is an abundant number, since it is smaller than the sum of its proper divisors (86211644).

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

53407836 is a wasteful number, since it uses less digits than its factorization.

53407836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164855 (or 164844 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 53407836 is about 7308.0665021605. The cubic root of 53407836 is about 376.5896042347.

The spelling of 53407836 in words is "fifty-three million, four hundred seven thousand, eight hundred thirty-six".