56747547501157 has 2 divisors, whose sum is σ = 56747547501158. Its totient is φ = 56747547501156.

The previous prime is 56747547501107. The next prime is 56747547501173. The reversal of 56747547501157 is 75110574574765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47046073052196 + 9701474448961 = 6859014^2 + 3114719^2 .

It is a cyclic number.

It is not a de Polignac number, because 56747547501157 - 2¹¹ = 56747547499109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56747547501107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28373773750578 + 28373773750579.

It is an arithmetic number, because the mean of its divisors is an integer number (28373773750579).

Almost surely, 2^{56747547501157} is an apocalyptic number.

It is an amenable number.

56747547501157 is a deficient number, since it is larger than the sum of its proper divisors (1).

56747547501157 is an equidigital number, since it uses as much as digits as its factorization.

56747547501157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144060000, while the sum is 64.

The spelling of 56747547501157 in words is "fifty-six trillion, seven hundred forty-seven billion, five hundred forty-seven million, five hundred one thousand, one hundred fifty-seven".