56655641 has 16 divisors (see below), whose sum is σ = 66186240. Its totient is φ = 47494080.

The previous prime is 56655637. The next prime is 56655659. The reversal of 56655641 is 14655665.

It is a cyclic number.

It is not a de Polignac number, because 56655641 - 2² = 56655637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56655595 and 56655604.

It is not an unprimeable number, because it can be changed into a prime (56655691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118040 + ... + 118518.

It is an arithmetic number, because the mean of its divisors is an integer number (4136640).

Almost surely, 2^56655641 is an apocalyptic number.

It is an amenable number.

56655641 is a deficient number, since it is larger than the sum of its proper divisors (9530599).

56655641 is a wasteful number, since it uses less digits than its factorization.

56655641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 108000, while the sum is 38.

The square root of 56655641 is about 7526.9941543753. The cubic root of 56655641 is about 384.0735378007.

The spelling of 56655641 in words is "fifty-six million, six hundred fifty-five thousand, six hundred forty-one".