56506706 has 8 divisors (see below), whose sum is σ = 84815100. Its totient is φ = 28235008.

The previous prime is 56506693. The next prime is 56506717. The reversal of 56506706 is 60760565.

It can be written as a sum of positive squares in 2 ways, for example, as 46362481 + 10144225 = 6809^2 + 3185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931 + ... + 11718.

Almost surely, 2^56506706 is an apocalyptic number.

56506706 is a deficient number, since it is larger than the sum of its proper divisors (28308394).

56506706 is a wasteful number, since it uses less digits than its factorization.

56506706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 56506706 is about 7517.0942524356. The cubic root of 56506706 is about 383.7366946760.

The spelling of 56506706 in words is "fifty-six million, five hundred six thousand, seven hundred six".