56642132130 has 48 divisors (see below), whose sum is σ = 140790446784. Its totient is φ = 14583714880.

The previous prime is 56642132059. The next prime is 56642132149. The reversal of 56642132130 is 3123124665.

It is a super-2 number, since 2×56642132130² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56642132091 and 56642132100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1097286 + ... + 1147745.

It is an arithmetic number, because the mean of its divisors is an integer number (2933134308).

Almost surely, 2^56642132130 is an apocalyptic number.

56642132130 is an abundant number, since it is smaller than the sum of its proper divisors (84148314654).

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

56642132130 is a wasteful number, since it uses less digits than its factorization.

56642132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245099 (or 2245070 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 56642132130 its reverse (3123124665), we get a palindrome (59765256795).

The spelling of 56642132130 in words is "fifty-six billion, six hundred forty-two million, one hundred thirty-two thousand, one hundred thirty".