57755111 has 2 divisors, whose sum is σ = 57755112. Its totient is φ = 57755110.

The previous prime is 57755099. The next prime is 57755129. The reversal of 57755111 is 11155775.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57755111 - 2²² = 53560807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57755141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28877555 + 28877556.

It is an arithmetic number, because the mean of its divisors is an integer number (28877556).

Almost surely, 2^57755111 is an apocalyptic number.

57755111 is a deficient number, since it is larger than the sum of its proper divisors (1).

57755111 is an equidigital number, since it uses as much as digits as its factorization.

57755111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6125, while the sum is 32.

The square root of 57755111 is about 7599.6783484566. The cubic root of 57755111 is about 386.5421052240.

The spelling of 57755111 in words is "fifty-seven million, seven hundred fifty-five thousand, one hundred eleven".