56663305530 has 64 divisors (see below), whose sum is σ = 150411074688. Its totient is φ = 13570917120.

The previous prime is 56663305507. The next prime is 56663305537. The reversal of 56663305530 is 3550336665.

It is a super-2 number, since 2×56663305530² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56663305537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1948956 + ... + 1977815.

It is an arithmetic number, because the mean of its divisors is an integer number (2350173042).

Almost surely, 2^56663305530 is an apocalyptic number.

56663305530 is an abundant number, since it is smaller than the sum of its proper divisors (93747769158).

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

56663305530 is a wasteful number, since it uses less digits than its factorization.

56663305530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926831.

The product of its (nonzero) digits is 729000, while the sum is 42.

The spelling of 56663305530 in words is "fifty-six billion, six hundred sixty-three million, three hundred five thousand, five hundred thirty".