56508155 has 8 divisors (see below), whose sum is σ = 73974384. Its totient is φ = 41096800.

The previous prime is 56508131. The next prime is 56508161. The reversal of 56508155 is 55180565.

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

It is not a de Polignac number, because 56508155 - 2¹⁰ = 56507131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513656 + ... + 513765.

It is an arithmetic number, because the mean of its divisors is an integer number (9246798).

Almost surely, 2^56508155 is an apocalyptic number.

56508155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56508155 is a deficient number, since it is larger than the sum of its proper divisors (17466229).

56508155 is a wasteful number, since it uses less digits than its factorization.

56508155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027437.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 56508155 is about 7517.1906321444. The cubic root of 56508155 is about 383.7399746980.

The spelling of 56508155 in words is "fifty-six million, five hundred eight thousand, one hundred fifty-five".