56727155 has 8 divisors (see below), whose sum is σ = 68747184. Its totient is φ = 44932000.

The previous prime is 56727127. The next prime is 56727157. The reversal of 56727155 is 55172765.

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

It is not a de Polignac number, because 56727155 - 2¹² = 56723059 is a prime.

It is a super-2 number, since 2×56727155² = 6435940228788050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56727157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55661 + ... + 56670.

It is an arithmetic number, because the mean of its divisors is an integer number (8593398).

Almost surely, 2^56727155 is an apocalyptic number.

56727155 is a deficient number, since it is larger than the sum of its proper divisors (12020029).

56727155 is a wasteful number, since it uses less digits than its factorization.

56727155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112437.

The product of its digits is 73500, while the sum is 38.

The square root of 56727155 is about 7531.7431581275. The cubic root of 56727155 is about 384.2350697384.

The spelling of 56727155 in words is "fifty-six million, seven hundred twenty-seven thousand, one hundred fifty-five".