56445715 has 8 divisors (see below), whose sum is σ = 67776480. Its totient is φ = 45128832.

The previous prime is 56445709. The next prime is 56445721. The reversal of 56445715 is 51754465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56445709) and next prime (56445721).

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

It is a cyclic number.

It is not a de Polignac number, because 56445715 - 2³ = 56445707 is a prime.

It is a super-2 number, since 2×56445715² = 6372237483722450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10882 + ... + 15208.

It is an arithmetic number, because the mean of its divisors is an integer number (8472060).

Almost surely, 2^56445715 is an apocalyptic number.

56445715 is a deficient number, since it is larger than the sum of its proper divisors (11330765).

56445715 is a wasteful number, since it uses less digits than its factorization.

56445715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941.

The product of its digits is 84000, while the sum is 37.

The square root of 56445715 is about 7513.0363369280. The cubic root of 56445715 is about 383.5985818037.

The spelling of 56445715 in words is "fifty-six million, four hundred forty-five thousand, seven hundred fifteen".