52947656 has 32 divisors (see below), whose sum is σ = 109693440. Its totient is φ = 23831808.

The previous prime is 52947647. The next prime is 52947701. The reversal of 52947656 is 65674925.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5336 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (3427920).

Almost surely, 2^52947656 is an apocalyptic number.

It is an amenable number.

52947656 is an abundant number, since it is smaller than the sum of its proper divisors (56745784).

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

52947656 is a wasteful number, since it uses less digits than its factorization.

52947656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16973 (or 16969 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 52947656 is about 7276.5140005362. The cubic root of 52947656 is about 375.5048749281.

The spelling of 52947656 in words is "fifty-two million, nine hundred forty-seven thousand, six hundred fifty-six".