56051355517 has 8 divisors (see below), whose sum is σ = 59261349600. Its totient is φ = 52867353744.

The previous prime is 56051355499. The next prime is 56051355539. The reversal of 56051355517 is 71555315065.

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 56051355517 - 2¹⁵ = 56051322749 is a prime.

It is a super-3 number, since 3×56051355517³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56051355587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493642 + ... + 6502267.

It is an arithmetic number, because the mean of its divisors is an integer number (7407668700).

Almost surely, 2^56051355517 is an apocalyptic number.

It is an amenable number.

56051355517 is a deficient number, since it is larger than the sum of its proper divisors (3209994083).

56051355517 is a wasteful number, since it uses less digits than its factorization.

56051355517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12996155.

The product of its (nonzero) digits is 393750, while the sum is 43.

The spelling of 56051355517 in words is "fifty-six billion, fifty-one million, three hundred fifty-five thousand, five hundred seventeen".