56998740436 has 12 divisors (see below), whose sum is σ = 108815777280. Its totient is φ = 25908518360.

The previous prime is 56998740427. The next prime is 56998740439. The reversal of 56998740436 is 63404789965.

It is a super-2 number, since 2×56998740436² (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 (56998740439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 647712916 + ... + 647713003.

It is an arithmetic number, because the mean of its divisors is an integer number (9067981440).

Almost surely, 2^56998740436 is an apocalyptic number.

It is an amenable number.

56998740436 is a deficient number, since it is larger than the sum of its proper divisors (51817036844).

56998740436 is a wasteful number, since it uses less digits than its factorization.

56998740436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295425934 (or 1295425932 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 56998740436 in words is "fifty-six billion, nine hundred ninety-eight million, seven hundred forty thousand, four hundred thirty-six".