52555647 has 16 divisors (see below), whose sum is σ = 71122688. Its totient is φ = 34516800.

The previous prime is 52555639. The next prime is 52555697. The reversal of 52555647 is 74655525.

It is not a de Polignac number, because 52555647 - 2³ = 52555639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87147 + ... + 87747.

It is an arithmetic number, because the mean of its divisors is an integer number (4445168).

Almost surely, 2^52555647 is an apocalyptic number.

52555647 is a deficient number, since it is larger than the sum of its proper divisors (18567041).

52555647 is a wasteful number, since it uses less digits than its factorization.

52555647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 210000, while the sum is 39.

The square root of 52555647 is about 7249.5273639045. The cubic root of 52555647 is about 374.5758689262.

The spelling of 52555647 in words is "fifty-two million, five hundred fifty-five thousand, six hundred forty-seven".