56506683 has 4 divisors (see below), whose sum is σ = 75342248. Its totient is φ = 37671120.

The previous prime is 56506673. The next prime is 56506693. The reversal of 56506683 is 38660565.

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

It is an interprime number because it is at equal distance from previous prime (56506673) and next prime (56506693).

It is not a de Polignac number, because 56506683 - 2¹² = 56502587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56506603) 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, 9417778 + ... + 9417783.

It is an arithmetic number, because the mean of its divisors is an integer number (18835562).

Almost surely, 2^56506683 is an apocalyptic number.

56506683 is a deficient number, since it is larger than the sum of its proper divisors (18835565).

56506683 is a wasteful number, since it uses less digits than its factorization.

56506683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18835564.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56506683 is about 7517.0927225890. The cubic root of 56506683 is about 383.7366426117.

The spelling of 56506683 in words is "fifty-six million, five hundred six thousand, six hundred eighty-three".