53374806656 has 64 divisors (see below), whose sum is σ = 107955331200. Its totient is φ = 26281881600.

The previous prime is 53374806647. The next prime is 53374806731. The reversal of 53374806656 is 65660847335.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 53374806598 and 53374806607.

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, 4048331 + ... + 4061493.

It is an arithmetic number, because the mean of its divisors is an integer number (1686802050).

Almost surely, 2^53374806656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53374806656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53977665600).

53374806656 is an abundant number, since it is smaller than the sum of its proper divisors (54580524544).

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

53374806656 is a wasteful number, since it uses less digits than its factorization.

53374806656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657 (or 13645 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 53374806656 in words is "fifty-three billion, three hundred seventy-four million, eight hundred six thousand, six hundred fifty-six".