56872507 has 4 divisors (see below), whose sum is σ = 58707136. Its totient is φ = 55037880.

The previous prime is 56872477. The next prime is 56872511. The reversal of 56872507 is 70527865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70527865 = 5 ⋅14105573.

It is a cyclic number.

It is not a de Polignac number, because 56872507 - 2¹¹ = 56870459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56872507.

It is not an unprimeable number, because it can be changed into a prime (56872547) 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, 917268 + ... + 917329.

It is an arithmetic number, because the mean of its divisors is an integer number (14676784).

Almost surely, 2^56872507 is an apocalyptic number.

56872507 is a deficient number, since it is larger than the sum of its proper divisors (1834629).

56872507 is a wasteful number, since it uses less digits than its factorization.

56872507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834628.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 56872507 is about 7541.3862783974. The cubic root of 56872507 is about 384.5629650396.

The spelling of 56872507 in words is "fifty-six million, eight hundred seventy-two thousand, five hundred seven".