56143640300 has 36 divisors (see below), whose sum is σ = 132907311096. Its totient is φ = 20415868800.

The previous prime is 56143640263. The next prime is 56143640359. The reversal of 56143640300 is 304634165.

It is a super-2 number, since 2×56143640300² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25518737 + ... + 25520936.

Almost surely, 2^56143640300 is an apocalyptic number.

56143640300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56143640300 is an abundant number, since it is smaller than the sum of its proper divisors (76763670796).

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

56143640300 is a wasteful number, since it uses less digits than its factorization.

56143640300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51039698 (or 51039691 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 56143640300 in words is "fifty-six billion, one hundred forty-three million, six hundred forty thousand, three hundred".