52979652 has 72 divisors (see below), whose sum is σ = 146895840. Its totient is φ = 15966720.

The previous prime is 52979639. The next prime is 52979683. The reversal of 52979652 is 25697925.

52979652 is a `hidden beast` number, since 529 + 79 + 6 + 52 = 666.

It is a super-2 number, since 2×52979652² = 5613687052082208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52979598 and 52979607.

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, 139599 + ... + 139977.

It is an arithmetic number, because the mean of its divisors is an integer number (2040220).

Almost surely, 2^52979652 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 52979652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73447920).

52979652 is an abundant number, since it is smaller than the sum of its proper divisors (93916188).

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

52979652 is a wasteful number, since it uses less digits than its factorization.

52979652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 52979652 is about 7278.7122487429. The cubic root of 52979652 is about 375.5804982610.

The spelling of 52979652 in words is "fifty-two million, nine hundred seventy-nine thousand, six hundred fifty-two".