53979992 has 32 divisors (see below), whose sum is σ = 111056400. Its totient is φ = 24393600.

The previous prime is 53979973. The next prime is 53979997. The reversal of 53979992 is 29997935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53979997) 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, 14234 + ... + 17622.

Almost surely, 2^53979992 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 53979992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55528200).

53979992 is an abundant number, since it is smaller than the sum of its proper divisors (57076408).

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

53979992 is a wasteful number, since it uses less digits than its factorization.

53979992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3583 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 53.

The square root of 53979992 is about 7347.1077302569. The cubic root of 53979992 is about 377.9296267936.

The spelling of 53979992 in words is "fifty-three million, nine hundred seventy-nine thousand, nine hundred ninety-two".