56890560567 has 8 divisors (see below), whose sum is σ = 75859427440. Its totient is φ = 37924367040.

The previous prime is 56890560553. The next prime is 56890560581. The reversal of 56890560567 is 76506509865.

It is an interprime number because it is at equal distance from previous prime (56890560553) and next prime (56890560581).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56890560567 is a prime.

It is a super-2 number, since 2×56890560567² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56890564567) 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, 618142 + ... + 704187.

It is an arithmetic number, because the mean of its divisors is an integer number (9482428430).

Almost surely, 2^56890560567 is an apocalyptic number.

56890560567 is a deficient number, since it is larger than the sum of its proper divisors (18968866873).

56890560567 is a wasteful number, since it uses less digits than its factorization.

56890560567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336673.

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 56890560567 in words is "fifty-six billion, eight hundred ninety million, five hundred sixty thousand, five hundred sixty-seven".