56085387 has 4 divisors (see below), whose sum is σ = 74780520. Its totient is φ = 37390256.

The previous prime is 56085383. The next prime is 56085409. The reversal of 56085387 is 78358065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56085387 - 2² = 56085383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56085383) 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, 9347562 + ... + 9347567.

It is an arithmetic number, because the mean of its divisors is an integer number (18695130).

Almost surely, 2^56085387 is an apocalyptic number.

56085387 is a deficient number, since it is larger than the sum of its proper divisors (18695133).

56085387 is a wasteful number, since it uses less digits than its factorization.

56085387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18695132.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 56085387 is about 7489.0177593594. The cubic root of 56085387 is about 382.7805895389.

The spelling of 56085387 in words is "fifty-six million, eighty-five thousand, three hundred eighty-seven".