57045953 has 2 divisors, whose sum is σ = 57045954. Its totient is φ = 57045952.

The previous prime is 57045949. The next prime is 57045959. The reversal of 57045953 is 35954075.

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., 42354064 + 14691889 = 6508^2 + 3833^2 .

It is a cyclic number.

It is not a de Polignac number, because 57045953 - 2² = 57045949 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57045959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28522976 + 28522977.

It is an arithmetic number, because the mean of its divisors is an integer number (28522977).

Almost surely, 2^57045953 is an apocalyptic number.

It is an amenable number.

57045953 is a deficient number, since it is larger than the sum of its proper divisors (1).

57045953 is an equidigital number, since it uses as much as digits as its factorization.

57045953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 57045953 is about 7552.8771339139. The cubic root of 57045953 is about 384.9535065012.

The spelling of 57045953 in words is "fifty-seven million, forty-five thousand, nine hundred fifty-three".