53646156 has 18 divisors (see below), whose sum is σ = 135605652. Its totient is φ = 17882040.

The previous prime is 53646119. The next prime is 53646161. The reversal of 53646156 is 65164635.

53646156 is a `hidden beast` number, since 5 + 3 + 646 + 1 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1490171 = 53646156 / (5 + 3 + 6 + 4 + 6 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 53646156.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745050 + ... + 745121.

Almost surely, 2^53646156 is an apocalyptic number.

It is an amenable number.

53646156 is an abundant number, since it is smaller than the sum of its proper divisors (81959496).

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

53646156 is a wasteful number, since it uses less digits than its factorization.

53646156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490181 (or 1490176 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 53646156 is about 7324.3536233582. The cubic root of 53646156 is about 377.1489208490.

The spelling of 53646156 in words is "fifty-three million, six hundred forty-six thousand, one hundred fifty-six".