57154117 has 2 divisors, whose sum is σ = 57154118. Its totient is φ = 57154116.

The previous prime is 57154093. The next prime is 57154169. The reversal of 57154117 is 71145175.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37564641 + 19589476 = 6129^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 57154117 - 2⁷ = 57153989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57154177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28577058 + 28577059.

It is an arithmetic number, because the mean of its divisors is an integer number (28577059).

Almost surely, 2^57154117 is an apocalyptic number.

It is an amenable number.

57154117 is a deficient number, since it is larger than the sum of its proper divisors (1).

57154117 is an equidigital number, since it uses as much as digits as its factorization.

57154117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4900, while the sum is 31.

The square root of 57154117 is about 7560.0341930444. The cubic root of 57154117 is about 385.1966544670.

Subtracting from 57154117 its sum of digits (31), we obtain a triangular number (57154086 = T₁₀₆₉₁).

The spelling of 57154117 in words is "fifty-seven million, one hundred fifty-four thousand, one hundred seventeen".