53213532156 has 36 divisors (see below), whose sum is σ = 134522343592. Its totient is φ = 17736477984.

The previous prime is 53213532133. The next prime is 53213532157. The reversal of 53213532156 is 65123531235.

53213532156 is a `hidden beast` number, since 5 + 321 + 3 + 5 + 321 + 5 + 6 = 666.

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

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 53213532156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213532157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488646 + ... + 587538.

Almost surely, 2^53213532156 is an apocalyptic number.

It is an amenable number.

53213532156 is an abundant number, since it is smaller than the sum of its proper divisors (81308811436).

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

53213532156 is a wasteful number, since it uses less digits than its factorization.

53213532156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113850 (or 113845 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The spelling of 53213532156 in words is "fifty-three billion, two hundred thirteen million, five hundred thirty-two thousand, one hundred fifty-six".