57409337 has 2 divisors, whose sum is σ = 57409338. Its totient is φ = 57409336.

The previous prime is 57409277. The next prime is 57409351. The reversal of 57409337 is 73390475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46840336 + 10569001 = 6844^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 57409337 - 2¹⁴ = 57392953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57409337.

It is not a weakly prime, because it can be changed into another prime (57409397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28704668 + 28704669.

It is an arithmetic number, because the mean of its divisors is an integer number (28704669).

Almost surely, 2^57409337 is an apocalyptic number.

It is an amenable number.

57409337 is a deficient number, since it is larger than the sum of its proper divisors (1).

57409337 is an equidigital number, since it uses as much as digits as its factorization.

57409337 is an odious number, because the sum of its binary digits is odd.

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

The square root of 57409337 is about 7576.8949445007. The cubic root of 57409337 is about 385.7691645150.

The spelling of 57409337 in words is "fifty-seven million, four hundred nine thousand, three hundred thirty-seven".