57550357 has 2 divisors, whose sum is σ = 57550358. Its totient is φ = 57550356.

The previous prime is 57550331. The next prime is 57550369. The reversal of 57550357 is 75305575.

57550357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 2775556 = 7401^2 + 1666^2 .

It is a cyclic number.

It is not a de Polignac number, because 57550357 - 2¹⁹ = 57026069 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 57550357 parts by 10728 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57550307) 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, 28775178 + 28775179.

It is an arithmetic number, because the mean of its divisors is an integer number (28775179).

Almost surely, 2^57550357 is an apocalyptic number.

It is an amenable number.

57550357 is a deficient number, since it is larger than the sum of its proper divisors (1).

57550357 is an equidigital number, since it uses as much as digits as its factorization.

57550357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 57550357 is about 7586.1951596304. The cubic root of 57550357 is about 386.0847733662.

The spelling of 57550357 in words is "fifty-seven million, five hundred fifty thousand, three hundred fifty-seven".