53013972 has 72 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 15498560.

The previous prime is 53013967. The next prime is 53014019. The reversal of 53013972 is 27931035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41479 + ... + 42737.

It is an arithmetic number, because the mean of its divisors is an integer number (1955100).

Almost surely, 2^53013972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53013972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70383600).

53013972 is an abundant number, since it is smaller than the sum of its proper divisors (87753228).

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

53013972 is a wasteful number, since it uses less digits than its factorization.

53013972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 53013972 is about 7281.0694269455. The cubic root of 53013972 is about 375.6615805877.

The spelling of 53013972 in words is "fifty-three million, thirteen thousand, nine hundred seventy-two".