53971272 has 48 divisors (see below), whose sum is σ = 151591440. Its totient is φ = 17989776.

The previous prime is 53971261. The next prime is 53971273. The reversal of 53971272 is 27217935.

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

It is not an unprimeable number, because it can be changed into a prime (53971273) 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, 11938 + ... + 15825.

It is an arithmetic number, because the mean of its divisors is an integer number (3158155).

Almost surely, 2^53971272 is an apocalyptic number.

It is an amenable number.

53971272 is an abundant number, since it is smaller than the sum of its proper divisors (97620168).

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

53971272 is a wasteful number, since it uses less digits than its factorization.

53971272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27784 (or 27768 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 53971272 is about 7346.5142754915. The cubic root of 53971272 is about 377.9092752788.

The spelling of 53971272 in words is "fifty-three million, nine hundred seventy-one thousand, two hundred seventy-two".