56755715 has 4 divisors (see below), whose sum is σ = 68106864. Its totient is φ = 45404568.

The previous prime is 56755711. The next prime is 56755723. The reversal of 56755715 is 51755765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51755765 = 5 ⋅10351153.

It is a cyclic number.

It is not a de Polignac number, because 56755715 - 2² = 56755711 is a prime.

It is a super-2 number, since 2×56755715² = 6442422370322450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56755711) 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, 5675567 + ... + 5675576.

It is an arithmetic number, because the mean of its divisors is an integer number (17026716).

Almost surely, 2^56755715 is an apocalyptic number.

56755715 is a deficient number, since it is larger than the sum of its proper divisors (11351149).

56755715 is a wasteful number, since it uses less digits than its factorization.

56755715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351148.

The product of its digits is 183750, while the sum is 41.

The square root of 56755715 is about 7533.6388949830. The cubic root of 56755715 is about 384.2995415802.

The spelling of 56755715 in words is "fifty-six million, seven hundred fifty-five thousand, seven hundred fifteen".