53179812 has 72 divisors (see below), whose sum is σ = 154382592. Its totient is φ = 15120000.

The previous prime is 53179771. The next prime is 53179813. The reversal of 53179812 is 21897135.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53179813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70437 + ... + 71187.

Almost surely, 2^53179812 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 53179812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77191296).

53179812 is an abundant number, since it is smaller than the sum of its proper divisors (101202780).

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

53179812 is a wasteful number, since it uses less digits than its factorization.

53179812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1044 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 53179812 is about 7292.4489713676. The cubic root of 53179812 is about 376.0528916842.

It can be divided in two parts, 5317 and 9812, that added together give a square (15129 = 123²).

The spelling of 53179812 in words is "fifty-three million, one hundred seventy-nine thousand, eight hundred twelve".