56698645 has 8 divisors (see below), whose sum is σ = 68245920. Its totient is φ = 45220560.

The previous prime is 56698643. The next prime is 56698651. The reversal of 56698645 is 54689665.

It is a happy number.

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

It is not a de Polignac number, because 56698645 - 2¹ = 56698643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56698643) 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, 15475 + ... + 18784.

It is an arithmetic number, because the mean of its divisors is an integer number (8530740).

Almost surely, 2^56698645 is an apocalyptic number.

It is an amenable number.

56698645 is a deficient number, since it is larger than the sum of its proper divisors (11547275).

56698645 is a wasteful number, since it uses less digits than its factorization.

56698645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34595.

The product of its digits is 1555200, while the sum is 49.

The square root of 56698645 is about 7529.8502641155. The cubic root of 56698645 is about 384.1706891813.

The spelling of 56698645 in words is "fifty-six million, six hundred ninety-eight thousand, six hundred forty-five".