56660007 has 8 divisors (see below), whose sum is σ = 75619584. Its totient is φ = 37736888.

The previous prime is 56660003. The next prime is 56660011. The reversal of 56660007 is 70006665.

It is an interprime number because it is at equal distance from previous prime (56660003) and next prime (56660011).

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 56660007 - 2² = 56660003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56660003) 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, 5253 + ... + 11870.

It is an arithmetic number, because the mean of its divisors is an integer number (9452448).

Almost surely, 2^56660007 is an apocalyptic number.

56660007 is a deficient number, since it is larger than the sum of its proper divisors (18959577).

56660007 is a wasteful number, since it uses less digits than its factorization.

56660007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18229.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 56660007 is about 7527.2841715987. The cubic root of 56660007 is about 384.0834033790.

The spelling of 56660007 in words is "fifty-six million, six hundred sixty thousand, seven".