53879320 has 32 divisors (see below), whose sum is σ = 132250320. Its totient is φ = 19592320.

The previous prime is 53879311. The next prime is 53879327. The reversal of 53879320 is 2397835.

It is a super-2 number, since 2×53879320² = 5805962247324800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53879320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53879327) 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, 60787 + ... + 61666.

Almost surely, 2^53879320 is an apocalyptic number.

It is an amenable number.

53879320 is an abundant number, since it is smaller than the sum of its proper divisors (78371000).

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

53879320 is a wasteful number, since it uses less digits than its factorization.

53879320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122475 (or 122471 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 53879320 is about 7340.2534016204. The cubic root of 53879320 is about 377.6945359333.

The spelling of 53879320 in words is "fifty-three million, eight hundred seventy-nine thousand, three hundred twenty".