56650521366 has 64 divisors (see below), whose sum is σ = 131800435200. Its totient is φ = 18012643488.

The previous prime is 56650521349. The next prime is 56650521371. The reversal of 56650521366 is 66312505665.

56650521366 is a `hidden beast` number, since 5 + 6 + 6 + 505 + 2 + 136 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87946 + ... + 347901.

It is an arithmetic number, because the mean of its divisors is an integer number (2059381800).

Almost surely, 2^56650521366 is an apocalyptic number.

56650521366 is an abundant number, since it is smaller than the sum of its proper divisors (75149913834).

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

56650521366 is a wasteful number, since it uses less digits than its factorization.

56650521366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435970 (or 435964 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 56650521366 in words is "fifty-six billion, six hundred fifty million, five hundred twenty-one thousand, three hundred sixty-six".