56290155 has 8 divisors (see below), whose sum is σ = 90064272. Its totient is φ = 30021408.

The previous prime is 56290147. The next prime is 56290193. The reversal of 56290155 is 55109265.

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

It is not a de Polignac number, because 56290155 - 2³ = 56290147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876324 + ... + 1876353.

It is an arithmetic number, because the mean of its divisors is an integer number (11258034).

Almost surely, 2^56290155 is an apocalyptic number.

56290155 is a deficient number, since it is larger than the sum of its proper divisors (33774117).

56290155 is a wasteful number, since it uses less digits than its factorization.

56290155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752685.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 56290155 is about 7502.6765224152. The cubic root of 56290155 is about 383.2458683034.

The spelling of 56290155 in words is "fifty-six million, two hundred ninety thousand, one hundred fifty-five".