52216400655 has 16 divisors (see below), whose sum is σ = 92829156960. Its totient is φ = 27848746944.

The previous prime is 52216400611. The next prime is 52216400669. The reversal of 52216400655 is 55600461225.

52216400655 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 640 + 0 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 52216400655 - 2⁶ = 52216400591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193393942 + ... + 193394211.

It is an arithmetic number, because the mean of its divisors is an integer number (5801822310).

Almost surely, 2^52216400655 is an apocalyptic number.

52216400655 is a deficient number, since it is larger than the sum of its proper divisors (40612756305).

52216400655 is a wasteful number, since it uses less digits than its factorization.

52216400655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386788167 (or 386788161 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 52216400655 in words is "fifty-two billion, two hundred sixteen million, four hundred thousand, six hundred fifty-five".