52447656 has 32 divisors (see below), whose sum is σ = 131441760. Its totient is φ = 17439552.

The previous prime is 52447607. The next prime is 52447673. The reversal of 52447656 is 65674425.

52447656 = T₂₄₈ + T₂₄₉ + ... + T₆₉₀.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 8166 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (4107555).

Almost surely, 2^52447656 is an apocalyptic number.

It is an amenable number.

52447656 is an abundant number, since it is smaller than the sum of its proper divisors (78994104).

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

52447656 is a wasteful number, since it uses less digits than its factorization.

52447656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385 (or 5381 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 52447656 is about 7242.0753931453. The cubic root of 52447656 is about 374.3191343177.

The spelling of 52447656 in words is "fifty-two million, four hundred forty-seven thousand, six hundred fifty-six".