52979904 has 168 divisors, whose sum is σ = 164835840. Its totient is φ = 16215552.

The previous prime is 52979891. The next prime is 52979929. The reversal of 52979904 is 40997925.

It is a self number, because there is not a number n which added to its sum of digits gives 52979904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514317 + ... + 514419.

Almost surely, 2^52979904 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 52979904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82417920).

52979904 is an abundant number, since it is smaller than the sum of its proper divisors (111855936).

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

52979904 is a wasteful number, since it uses less digits than its factorization.

52979904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 52979904 is about 7278.7295594767. The cubic root of 52979904 is about 375.5810937484.

The spelling of 52979904 in words is "fifty-two million, nine hundred seventy-nine thousand, nine hundred four".