56026681 has 4 divisors (see below), whose sum is σ = 56052864. Its totient is φ = 56000500.

The previous prime is 56026667. The next prime is 56026693. The reversal of 56026681 is 18662065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56026681 - 2¹³ = 56018489 is a prime.

It is a super-2 number, since 2×56026681² = 6277977967751522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56026631) 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, 9565 + ... + 14266.

It is an arithmetic number, because the mean of its divisors is an integer number (14013216).

Almost surely, 2^56026681 is an apocalyptic number.

It is an amenable number.

56026681 is a deficient number, since it is larger than the sum of its proper divisors (26183).

56026681 is a wasteful number, since it uses less digits than its factorization.

56026681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26182.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 56026681 is about 7485.0972605571. The cubic root of 56026681 is about 382.6469875226.

The spelling of 56026681 in words is "fifty-six million, twenty-six thousand, six hundred eighty-one".