57061757 has 2 divisors, whose sum is σ = 57061758. Its totient is φ = 57061756.

The previous prime is 57061751. The next prime is 57061759. The reversal of 57061757 is 75716075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40691641 + 16370116 = 6379^2 + 4046^2 .

It is a cyclic number.

It is not a de Polignac number, because 57061757 - 2¹⁶ = 56996221 is a prime.

It is a super-2 number, since 2×57061757² = 6512088223854098, which contains 22 as substring.

Together with 57061759, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57061757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57061751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28530878 + 28530879.

It is an arithmetic number, because the mean of its divisors is an integer number (28530879).

Almost surely, 2^57061757 is an apocalyptic number.

It is an amenable number.

57061757 is a deficient number, since it is larger than the sum of its proper divisors (1).

57061757 is an equidigital number, since it uses as much as digits as its factorization.

57061757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51450, while the sum is 38.

The square root of 57061757 is about 7553.9232852869. The cubic root of 57061757 is about 384.9890523676.

The spelling of 57061757 in words is "fifty-seven million, sixty-one thousand, seven hundred fifty-seven".