53779152 has 80 divisors (see below), whose sum is σ = 165703680. Its totient is φ = 14695296.

The previous prime is 53779151. The next prime is 53779181. The reversal of 53779152 is 25197735.

It is a self number, because there is not a number n which added to its sum of digits gives 53779152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53779151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (2071296).

Almost surely, 2^53779152 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 53779152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82851840).

53779152 is an abundant number, since it is smaller than the sum of its proper divisors (111924528).

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

53779152 is a wasteful number, since it uses less digits than its factorization.

53779152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 6994 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 53779152 is about 7333.4270297045. The cubic root of 53779152 is about 377.4603311970.

The spelling of 53779152 in words is "fifty-three million, seven hundred seventy-nine thousand, one hundred fifty-two".