57482237 has 2 divisors, whose sum is σ = 57482238. Its totient is φ = 57482236.

The previous prime is 57482233. The next prime is 57482251. The reversal of 57482237 is 73228475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55190041 + 2292196 = 7429^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 57482237 - 2² = 57482233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57482237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57482233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28741118 + 28741119.

It is an arithmetic number, because the mean of its divisors is an integer number (28741119).

Almost surely, 2^57482237 is an apocalyptic number.

It is an amenable number.

57482237 is a deficient number, since it is larger than the sum of its proper divisors (1).

57482237 is an equidigital number, since it uses as much as digits as its factorization.

57482237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 57482237 is about 7581.7040960460. The cubic root of 57482237 is about 385.9323823140.

The spelling of 57482237 in words is "fifty-seven million, four hundred eighty-two thousand, two hundred thirty-seven".