56557222119 has 24 divisors (see below), whose sum is σ = 86180094000. Its totient is φ = 35642816640.

The previous prime is 56557222109. The next prime is 56557222129. The reversal of 56557222119 is 91122275565.

56557222119 is a `hidden beast` number, since 5 + 65 + 572 + 2 + 2 + 1 + 19 = 666.

It is an interprime number because it is at equal distance from previous prime (56557222109) and next prime (56557222129).

It is not a de Polignac number, because 56557222119 - 2⁷ = 56557221991 is a prime.

It is a super-2 number, since 2×56557222119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56557222109) 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 23 ways as a sum of consecutive naturals, for example, 279894 + ... + 437555.

It is an arithmetic number, because the mean of its divisors is an integer number (3590837250).

Almost surely, 2^56557222119 is an apocalyptic number.

56557222119 is a deficient number, since it is larger than the sum of its proper divisors (29622871881).

56557222119 is a wasteful number, since it uses less digits than its factorization.

56557222119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717935 (or 717932 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The spelling of 56557222119 in words is "fifty-six billion, five hundred fifty-seven million, two hundred twenty-two thousand, one hundred nineteen".