56155464013 has 8 divisors (see below), whose sum is σ = 64864065600. Its totient is φ = 48047455680.

The previous prime is 56155463981. The next prime is 56155464031. The reversal of 56155464013 is 31046455165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56155464013 - 2⁵ = 56155463981 is a prime.

It is a super-2 number, since 2×56155464013² (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 (56155461013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150148113 + ... + 150148486.

It is an arithmetic number, because the mean of its divisors is an integer number (8108008200).

Almost surely, 2^56155464013 is an apocalyptic number.

It is an amenable number.

56155464013 is a deficient number, since it is larger than the sum of its proper divisors (8708601587).

56155464013 is a wasteful number, since it uses less digits than its factorization.

56155464013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300296627.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 56155464013 in words is "fifty-six billion, one hundred fifty-five million, four hundred sixty-four thousand, thirteen".