52179816 has 128 divisors (see below), whose sum is σ = 149184000. Its totient is φ = 15095808.

The previous prime is 52179797. The next prime is 52179821. The reversal of 52179816 is 61897125.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660465 + ... + 660543.

It is an arithmetic number, because the mean of its divisors is an integer number (1165500).

Almost surely, 2^52179816 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 52179816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74592000).

52179816 is an abundant number, since it is smaller than the sum of its proper divisors (97004184).

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

52179816 is a wasteful number, since it uses less digits than its factorization.

52179816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 52179816 is about 7223.5597872517. The cubic root of 52179816 is about 373.6808548351.

The spelling of 52179816 in words is "fifty-two million, one hundred seventy-nine thousand, eight hundred sixteen".