56687007 has 8 divisors (see below), whose sum is σ = 81396784. Its totient is φ = 34884288.

The previous prime is 56686963. The next prime is 56687009. The reversal of 56687007 is 70078665.

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

It is not a de Polignac number, because 56687007 - 2¹⁰ = 56685983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1453513 = 56687007 / (5 + 6 + 6 + 8 + 7 + 0 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56687009) 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, 726718 + ... + 726795.

It is an arithmetic number, because the mean of its divisors is an integer number (10174598).

Almost surely, 2^56687007 is an apocalyptic number.

56687007 is a deficient number, since it is larger than the sum of its proper divisors (24709777).

56687007 is a wasteful number, since it uses less digits than its factorization.

56687007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453529.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 56687007 is about 7529.0774335240. The cubic root of 56687007 is about 384.1444023425.

The spelling of 56687007 in words is "fifty-six million, six hundred eighty-seven thousand, seven".