56605151 has 8 divisors (see below), whose sum is σ = 57805440. Its totient is φ = 55415448.

The previous prime is 56605141. The next prime is 56605169. The reversal of 56605151 is 15150665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56605151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56605141) 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, 8660 + ... + 13718.

It is an arithmetic number, because the mean of its divisors is an integer number (7225680).

Almost surely, 2^56605151 is an apocalyptic number.

56605151 is a deficient number, since it is larger than the sum of its proper divisors (1200289).

56605151 is a wasteful number, since it uses less digits than its factorization.

56605151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 56605151 is about 7523.6394783376. The cubic root of 56605151 is about 383.9594118523.

It can be divided in two parts, 566051 and 51, that multiplied together give a triangular number (28868601 = T₇₅₉₈).

The spelling of 56605151 in words is "fifty-six million, six hundred five thousand, one hundred fifty-one".