56657144122 has 16 divisors (see below), whose sum is σ = 85111500672. Its totient is φ = 28286677440.

The previous prime is 56657144099. The next prime is 56657144143. The reversal of 56657144122 is 22144175665.

It is a super-2 number, since 2×56657144122² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068223 + ... + 4082125.

It is an arithmetic number, because the mean of its divisors is an integer number (5319468792).

Almost surely, 2^56657144122 is an apocalyptic number.

56657144122 is a deficient number, since it is larger than the sum of its proper divisors (28454356550).

56657144122 is a wasteful number, since it uses less digits than its factorization.

56657144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16773.

The product of its digits is 403200, while the sum is 43.

The spelling of 56657144122 in words is "fifty-six billion, six hundred fifty-seven million, one hundred forty-four thousand, one hundred twenty-two".