56755115 has 4 divisors (see below), whose sum is σ = 68106144. Its totient is φ = 45404088.

The previous prime is 56755087. The next prime is 56755123. The reversal of 56755115 is 51155765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51155765 = 5 ⋅10231153.

It is a cyclic number.

It is not a de Polignac number, because 56755115 - 2¹⁶ = 56689579 is a prime.

It is a super-2 number, since 2×56755115² = 6442286157326450, which contains 22 as substring.

It is a Duffinian 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, 5675507 + ... + 5675516.

It is an arithmetic number, because the mean of its divisors is an integer number (17026536).

Almost surely, 2^56755115 is an apocalyptic number.

56755115 is a deficient number, since it is larger than the sum of its proper divisors (11351029).

56755115 is a wasteful number, since it uses less digits than its factorization.

56755115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351028.

The product of its digits is 26250, while the sum is 35.

The square root of 56755115 is about 7533.5990734841. The cubic root of 56755115 is about 384.2981873522.

The spelling of 56755115 in words is "fifty-six million, seven hundred fifty-five thousand, one hundred fifteen".