56507551067 has 4 divisors (see below), whose sum is σ = 61644601176. Its totient is φ = 51370500960.

The previous prime is 56507551049. The next prime is 56507551151. The reversal of 56507551067 is 76015570565.

56507551067 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 56507551067 - 2¹² = 56507546971 is a prime.

It is a super-2 number, since 2×56507551067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56507551007) 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, 2568525038 + ... + 2568525059.

It is an arithmetic number, because the mean of its divisors is an integer number (15411150294).

Almost surely, 2^56507551067 is an apocalyptic number.

56507551067 is a deficient number, since it is larger than the sum of its proper divisors (5137050109).

56507551067 is a wasteful number, since it uses less digits than its factorization.

56507551067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137050108.

The product of its (nonzero) digits is 1102500, while the sum is 47.

The spelling of 56507551067 in words is "fifty-six billion, five hundred seven million, five hundred fifty-one thousand, sixty-seven".