56681006 has 4 divisors (see below), whose sum is σ = 85021512. Its totient is φ = 28340502.

The previous prime is 56680991. The next prime is 56681029. The reversal of 56681006 is 60018665.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14170250 + ... + 14170253.

It is an arithmetic number, because the mean of its divisors is an integer number (21255378).

Almost surely, 2^56681006 is an apocalyptic number.

56681006 is a deficient number, since it is larger than the sum of its proper divisors (28340506).

56681006 is a wasteful number, since it uses less digits than its factorization.

56681006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28340505.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 56681006 is about 7528.6789013744. The cubic root of 56681006 is about 384.1308464324.

The spelling of 56681006 in words is "fifty-six million, six hundred eighty-one thousand, six".