57155753 has 2 divisors, whose sum is σ = 57155754. Its totient is φ = 57155752.

The previous prime is 57155741. The next prime is 57155779. The reversal of 57155753 is 35755175.

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., 33028009 + 24127744 = 5747^2 + 4912^2 .

It is a cyclic number.

It is not a de Polignac number, because 57155753 - 2⁶ = 57155689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57155653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28577876 + 28577877.

It is an arithmetic number, because the mean of its divisors is an integer number (28577877).

Almost surely, 2^57155753 is an apocalyptic number.

It is an amenable number.

57155753 is a deficient number, since it is larger than the sum of its proper divisors (1).

57155753 is an equidigital number, since it uses as much as digits as its factorization.

57155753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91875, while the sum is 38.

The square root of 57155753 is about 7560.1423928389. The cubic root of 57155753 is about 385.2003297678.

The spelling of 57155753 in words is "fifty-seven million, one hundred fifty-five thousand, seven hundred fifty-three".