56171521622 has 16 divisors (see below), whose sum is σ = 84954160800. Its totient is φ = 27854052288.

The previous prime is 56171521607. The next prime is 56171521691. The reversal of 56171521622 is 22612517165.

It is a congruent number.

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, 47138 + ... + 338474.

It is an arithmetic number, because the mean of its divisors is an integer number (5309635050).

Almost surely, 2^56171521622 is an apocalyptic number.

56171521622 is a deficient number, since it is larger than the sum of its proper divisors (28782639178).

56171521622 is a wasteful number, since it uses less digits than its factorization.

56171521622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292135.

The product of its digits is 50400, while the sum is 38.

The spelling of 56171521622 in words is "fifty-six billion, one hundred seventy-one million, five hundred twenty-one thousand, six hundred twenty-two".