53879136 has 96 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 16796160.

The previous prime is 53879113. The next prime is 53879143. The reversal of 53879136 is 63197835.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×53879136² = 5805922592212992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198681 + ... + 198951.

It is an arithmetic number, because the mean of its divisors is an integer number (1570800).

Almost surely, 2^53879136 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 53879136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75398400).

53879136 is an abundant number, since it is smaller than the sum of its proper divisors (96917664).

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

53879136 is a wasteful number, since it uses less digits than its factorization.

53879136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 404 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 53879136 is about 7340.2408679825. The cubic root of 53879136 is about 377.6941059856.

The spelling of 53879136 in words is "fifty-three million, eight hundred seventy-nine thousand, one hundred thirty-six".