57118349 has 2 divisors, whose sum is σ = 57118350. Its totient is φ = 57118348.

The previous prime is 57118309. The next prime is 57118367. The reversal of 57118349 is 94381175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54125449 + 2992900 = 7357^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 57118349 - 2¹⁶ = 57052813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57118309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28559174 + 28559175.

It is an arithmetic number, because the mean of its divisors is an integer number (28559175).

Almost surely, 2^57118349 is an apocalyptic number.

It is an amenable number.

57118349 is a deficient number, since it is larger than the sum of its proper divisors (1).

57118349 is an equidigital number, since it uses as much as digits as its factorization.

57118349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 57118349 is about 7557.6682250546. The cubic root of 57118349 is about 385.1162835344.

The spelling of 57118349 in words is "fifty-seven million, one hundred eighteen thousand, three hundred forty-nine".