56029345581 has 8 divisors (see below), whose sum is σ = 81497229984. Its totient is φ = 33957179120.

The previous prime is 56029345517. The next prime is 56029345607. The reversal of 56029345581 is 18554392065.

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 56029345581 - 2⁶ = 56029345517 is a prime.

It is a super-2 number, since 2×56029345581² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56029345581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56029345181) 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, 848929446 + ... + 848929511.

It is an arithmetic number, because the mean of its divisors is an integer number (10187153748).

Almost surely, 2^56029345581 is an apocalyptic number.

It is an amenable number.

56029345581 is a deficient number, since it is larger than the sum of its proper divisors (25467884403).

56029345581 is a wasteful number, since it uses less digits than its factorization.

56029345581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697858971.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 56029345581 in words is "fifty-six billion, twenty-nine million, three hundred forty-five thousand, five hundred eighty-one".