56616151 has 2 divisors, whose sum is σ = 56616152. Its totient is φ = 56616150.

The previous prime is 56616127. The next prime is 56616167. The reversal of 56616151 is 15161665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56616151 - 2⁷ = 56616023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56616101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28308075 + 28308076.

It is an arithmetic number, because the mean of its divisors is an integer number (28308076).

Almost surely, 2^56616151 is an apocalyptic number.

56616151 is a deficient number, since it is larger than the sum of its proper divisors (1).

56616151 is an equidigital number, since it uses as much as digits as its factorization.

56616151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 56616151 is about 7524.3704720063. The cubic root of 56616151 is about 383.9842816736.

The spelling of 56616151 in words is "fifty-six million, six hundred sixteen thousand, one hundred fifty-one".