57750997 has 2 divisors, whose sum is σ = 57750998. Its totient is φ = 57750996.

The previous prime is 57750991. The next prime is 57751009. The reversal of 57750997 is 79905775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37039396 + 20711601 = 6086^2 + 4551^2 .

It is a cyclic number.

It is not a de Polignac number, because 57750997 - 2²³ = 49362389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57750997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57750991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28875498 + 28875499.

It is an arithmetic number, because the mean of its divisors is an integer number (28875499).

Almost surely, 2^57750997 is an apocalyptic number.

It is an amenable number.

57750997 is a deficient number, since it is larger than the sum of its proper divisors (1).

57750997 is an equidigital number, since it uses as much as digits as its factorization.

57750997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 694575, while the sum is 49.

The square root of 57750997 is about 7599.4076742862. The cubic root of 57750997 is about 386.5329269773.

The spelling of 57750997 in words is "fifty-seven million, seven hundred fifty thousand, nine hundred ninety-seven".