57573437 has 2 divisors, whose sum is σ = 57573438. Its totient is φ = 57573436.

The previous prime is 57573433. The next prime is 57573457. The reversal of 57573437 is 73437575.

57573437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56715961 + 857476 = 7531^2 + 926^2 .

It is a cyclic number.

It is not a de Polignac number, because 57573437 - 2² = 57573433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57573394 and 57573403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57573433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28786718 + 28786719.

It is an arithmetic number, because the mean of its divisors is an integer number (28786719).

Almost surely, 2^57573437 is an apocalyptic number.

It is an amenable number.

57573437 is a deficient number, since it is larger than the sum of its proper divisors (1).

57573437 is an equidigital number, since it uses as much as digits as its factorization.

57573437 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 57573437 is about 7587.7161913187. The cubic root of 57573437 is about 386.1363782915.

The spelling of 57573437 in words is "fifty-seven million, five hundred seventy-three thousand, four hundred thirty-seven".