56615171 has 8 divisors (see below), whose sum is σ = 57299424. Its totient is φ = 55935360.

The previous prime is 56615159. The next prime is 56615189. The reversal of 56615171 is 17151665.

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

It is a cyclic number.

It is not a de Polignac number, because 56615171 - 2⁶ = 56615107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56615101) 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, 29291 + ... + 31163.

It is an arithmetic number, because the mean of its divisors is an integer number (7162428).

Almost surely, 2^56615171 is an apocalyptic number.

56615171 is a deficient number, since it is larger than the sum of its proper divisors (684253).

56615171 is a wasteful number, since it uses less digits than its factorization.

56615171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its digits is 6300, while the sum is 32.

The square root of 56615171 is about 7524.3053499974. The cubic root of 56615171 is about 383.9820661293.

The spelling of 56615171 in words is "fifty-six million, six hundred fifteen thousand, one hundred seventy-one".