56103587 has 4 divisors (see below), whose sum is σ = 59403816. Its totient is φ = 52803360.

The previous prime is 56103569. The next prime is 56103613. The reversal of 56103587 is 78530165.

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

It is not a de Polignac number, because 56103587 - 2¹⁴ = 56087203 is a prime.

It is a super-2 number, since 2×56103587² = 6295224948533138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56103517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650089 + ... + 1650122.

It is an arithmetic number, because the mean of its divisors is an integer number (14850954).

Almost surely, 2^56103587 is an apocalyptic number.

56103587 is a deficient number, since it is larger than the sum of its proper divisors (3300229).

56103587 is a wasteful number, since it uses less digits than its factorization.

56103587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300228.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 56103587 is about 7490.2327734190. The cubic root of 56103587 is about 382.8219898256.

The spelling of 56103587 in words is "fifty-six million, one hundred three thousand, five hundred eighty-seven".