57375473 has 2 divisors, whose sum is σ = 57375474. Its totient is φ = 57375472.

The previous prime is 57375449. The next prime is 57375557. The reversal of 57375473 is 37457375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51165409 + 6210064 = 7153^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 57375473 - 2⁸ = 57375217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57375473.

It is not a weakly prime, because it can be changed into another prime (57375413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28687736 + 28687737.

It is an arithmetic number, because the mean of its divisors is an integer number (28687737).

Almost surely, 2^57375473 is an apocalyptic number.

It is an amenable number.

57375473 is a deficient number, since it is larger than the sum of its proper divisors (1).

57375473 is an equidigital number, since it uses as much as digits as its factorization.

57375473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308700, while the sum is 41.

The square root of 57375473 is about 7574.6599263597. The cubic root of 57375473 is about 385.6932984792.

The spelling of 57375473 in words is "fifty-seven million, three hundred seventy-five thousand, four hundred seventy-three".