56143427707 has 4 divisors (see below), whose sum is σ = 59445982296. Its totient is φ = 52840873120.

The previous prime is 56143427699. The next prime is 56143427719. The reversal of 56143427707 is 70772434165.

56143427707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56143427707 - 2³ = 56143427699 is a prime.

It is a super-2 number, since 2×56143427707² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56143427737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651277269 + ... + 1651277302.

It is an arithmetic number, because the mean of its divisors is an integer number (14861495574).

Almost surely, 2^56143427707 is an apocalyptic number.

56143427707 is a deficient number, since it is larger than the sum of its proper divisors (3302554589).

56143427707 is a wasteful number, since it uses less digits than its factorization.

56143427707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302554588.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 56143427707 in words is "fifty-six billion, one hundred forty-three million, four hundred twenty-seven thousand, seven hundred seven".