56225316660 has 24 divisors (see below), whose sum is σ = 157430886816. Its totient is φ = 14993417760.

The previous prime is 56225316649. The next prime is 56225316691. The reversal of 56225316660 is 6661352265.

It is a super-2 number, since 2×56225316660² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 468544246 + ... + 468544365.

It is an arithmetic number, because the mean of its divisors is an integer number (6559620284).

Almost surely, 2^56225316660 is an apocalyptic number.

It is an amenable number.

56225316660 is an abundant number, since it is smaller than the sum of its proper divisors (101205570156).

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

56225316660 is a wasteful number, since it uses less digits than its factorization.

56225316660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937088623 (or 937088621 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 56225316660 in words is "fifty-six billion, two hundred twenty-five million, three hundred sixteen thousand, six hundred sixty".