53731392 has 224 divisors, whose sum is σ = 177515520. Its totient is φ = 14100480.

The previous prime is 53731357. The next prime is 53731397. The reversal of 53731392 is 29313735.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (53731397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521613 + ... + 521715.

It is an arithmetic number, because the mean of its divisors is an integer number (792480).

Almost surely, 2^53731392 is an apocalyptic number.

53731392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53731392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88757760).

53731392 is an abundant number, since it is smaller than the sum of its proper divisors (123784128).

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

53731392 is a wasteful number, since it uses less digits than its factorization.

53731392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 151 counting only the distinct ones).

The product of its digits is 17010, while the sum is 33.

The square root of 53731392 is about 7330.1699843864. The cubic root of 53731392 is about 377.3485602227.

It can be divided in two parts, 53 and 731392, that added together give a triangular number (731445 = T₁₂₀₉).

The spelling of 53731392 in words is "fifty-three million, seven hundred thirty-one thousand, three hundred ninety-two".