53752171156 has 24 divisors (see below), whose sum is σ = 96312280064. Its totient is φ = 26235135360.

The previous prime is 53752171139. The next prime is 53752171159. The reversal of 53752171156 is 65117125735.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53752171159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192076 + ... + 379996.

Almost surely, 2^53752171156 is an apocalyptic number.

It is an amenable number.

53752171156 is a deficient number, since it is larger than the sum of its proper divisors (42560108908).

53752171156 is a wasteful number, since it uses less digits than its factorization.

53752171156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189631 (or 189629 counting only the distinct ones).

The product of its digits is 220500, while the sum is 43.

The spelling of 53752171156 in words is "fifty-three billion, seven hundred fifty-two million, one hundred seventy-one thousand, one hundred fifty-six".