56342587 has 4 divisors (see below), whose sum is σ = 64391536. Its totient is φ = 48293640.

The previous prime is 56342579. The next prime is 56342609. The reversal of 56342587 is 78524365.

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 56342587 - 2³ = 56342579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56342557) 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, 4024464 + ... + 4024477.

It is an arithmetic number, because the mean of its divisors is an integer number (16097884).

Almost surely, 2^56342587 is an apocalyptic number.

56342587 is a deficient number, since it is larger than the sum of its proper divisors (8048949).

56342587 is an equidigital number, since it uses as much as digits as its factorization.

56342587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048948.

The product of its digits is 201600, while the sum is 40.

The square root of 56342587 is about 7506.1699287986. The cubic root of 56342587 is about 383.3648240460.

The spelling of 56342587 in words is "fifty-six million, three hundred forty-two thousand, five hundred eighty-seven".