57049373 has 2 divisors, whose sum is σ = 57049374. Its totient is φ = 57049372.

The previous prime is 57049357. The next prime is 57049387. The reversal of 57049373 is 37394075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39967684 + 17081689 = 6322^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 57049373 - 2⁴ = 57049357 is a prime.

It is equal to p_3397178 and since 57049373 and 3397178 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57049313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28524686 + 28524687.

It is an arithmetic number, because the mean of its divisors is an integer number (28524687).

Almost surely, 2^57049373 is an apocalyptic number.

It is an amenable number.

57049373 is a deficient number, since it is larger than the sum of its proper divisors (1).

57049373 is an equidigital number, since it uses as much as digits as its factorization.

57049373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 57049373 is about 7553.1035343096. The cubic root of 57049373 is about 384.9611992156.

The spelling of 57049373 in words is "fifty-seven million, forty-nine thousand, three hundred seventy-three".