5657556842 has 16 divisors (see below), whose sum is σ = 9721181952. Its totient is φ = 2419038960.

The previous prime is 5657556799. The next prime is 5657556847. The reversal of 5657556842 is 2486557565.

It is a super-2 number, since 2×5657556842² = 64015898840922025928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5657556847) 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 7 ways as a sum of consecutive naturals, for example, 462773 + ... + 474840.

It is an arithmetic number, because the mean of its divisors is an integer number (607573872).

Almost surely, 2^5657556842 is an apocalyptic number.

5657556842 is a deficient number, since it is larger than the sum of its proper divisors (4063625110).

5657556842 is a wasteful number, since it uses less digits than its factorization.

5657556842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938053.

The product of its digits is 10080000, while the sum is 53.

The square root of 5657556842 is about 75216.7324602711. The cubic root of 5657556842 is about 1781.8712008177.

The spelling of 5657556842 in words is "five billion, six hundred fifty-seven million, five hundred fifty-six thousand, eight hundred forty-two".