56115355 has 4 divisors (see below), whose sum is σ = 67338432. Its totient is φ = 44892280.

The previous prime is 56115307. The next prime is 56115383. The reversal of 56115355 is 55351165.

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

It is not a de Polignac number, because 56115355 - 2¹⁷ = 55984283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611531 + ... + 5611540.

It is an arithmetic number, because the mean of its divisors is an integer number (16834608).

Almost surely, 2^56115355 is an apocalyptic number.

56115355 is a deficient number, since it is larger than the sum of its proper divisors (11223077).

56115355 is a wasteful number, since it uses less digits than its factorization.

56115355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223076.

The product of its digits is 11250, while the sum is 31.

The square root of 56115355 is about 7491.0182885907. The cubic root of 56115355 is about 382.8487542119.

The spelling of 56115355 in words is "fifty-six million, one hundred fifteen thousand, three hundred fifty-five".