56615446 has 4 divisors (see below), whose sum is σ = 84923172. Its totient is φ = 28307722.

The previous prime is 56615431. The next prime is 56615473. The reversal of 56615446 is 64451665.

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

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, 14153860 + ... + 14153863.

It is an arithmetic number, because the mean of its divisors is an integer number (21230793).

Almost surely, 2^56615446 is an apocalyptic number.

56615446 is a deficient number, since it is larger than the sum of its proper divisors (28307726).

56615446 is a wasteful number, since it uses less digits than its factorization.

56615446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28307725.

The product of its digits is 86400, while the sum is 37.

The square root of 56615446 is about 7524.3236240874. The cubic root of 56615446 is about 383.9826878408.

The spelling of 56615446 in words is "fifty-six million, six hundred fifteen thousand, four hundred forty-six".