52279976 has 32 divisors (see below), whose sum is σ = 112320000. Its totient is φ = 22347456.

The previous prime is 52279973. The next prime is 52279979. The reversal of 52279976 is 67997225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52279973) and next prime (52279979).

It is a self number, because there is not a number n which added to its sum of digits gives 52279976.

It is not an unprimeable number, because it can be changed into a prime (52279973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25850 + ... + 27798.

It is an arithmetic number, because the mean of its divisors is an integer number (3510000).

Almost surely, 2^52279976 is an apocalyptic number.

52279976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52279976 is an abundant number, since it is smaller than the sum of its proper divisors (60040024).

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

52279976 is a wasteful number, since it uses less digits than its factorization.

52279976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2437 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 52279976 is about 7230.4893333716. The cubic root of 52279976 is about 373.9197974952.

The spelling of 52279976 in words is "fifty-two million, two hundred seventy-nine thousand, nine hundred seventy-six".