56164505650 has 144 divisors (see below), whose sum is σ = 121668373440. Its totient is φ = 19125734400.

The previous prime is 56164505591. The next prime is 56164505651. The reversal of 56164505650 is 5650546165.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56164505597 and 56164505606.

It is not an unprimeable number, because it can be changed into a prime (56164505651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36398779 + ... + 36400321.

It is an arithmetic number, because the mean of its divisors is an integer number (844919260).

Almost surely, 2^56164505650 is an apocalyptic number.

56164505650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56164505650 is an abundant number, since it is smaller than the sum of its proper divisors (65503867790).

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

56164505650 is a wasteful number, since it uses less digits than its factorization.

56164505650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 56164505650 in words is "fifty-six billion, one hundred sixty-four million, five hundred five thousand, six hundred fifty".