57728053 has 2 divisors, whose sum is σ = 57728054. Its totient is φ = 57728052.

The previous prime is 57728003. The next prime is 57728057. The reversal of 57728053 is 35082775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 27279729 = 5518^2 + 5223^2 .

It is a cyclic number.

It is not a de Polignac number, because 57728053 - 2⁹ = 57727541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57728057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28864026 + 28864027.

It is an arithmetic number, because the mean of its divisors is an integer number (28864027).

Almost surely, 2^57728053 is an apocalyptic number.

It is an amenable number.

57728053 is a deficient number, since it is larger than the sum of its proper divisors (1).

57728053 is an equidigital number, since it uses as much as digits as its factorization.

57728053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 57728053 is about 7597.8979329812. The cubic root of 57728053 is about 386.4817314039.

The spelling of 57728053 in words is "fifty-seven million, seven hundred twenty-eight thousand, fifty-three".