57550751 has 2 divisors, whose sum is σ = 57550752. Its totient is φ = 57550750.

The previous prime is 57550747. The next prime is 57550793. The reversal of 57550751 is 15705575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57550751 - 2² = 57550747 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57550741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28775375 + 28775376.

It is an arithmetic number, because the mean of its divisors is an integer number (28775376).

Almost surely, 2^57550751 is an apocalyptic number.

57550751 is a deficient number, since it is larger than the sum of its proper divisors (1).

57550751 is an equidigital number, since it uses as much as digits as its factorization.

57550751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 57550751 is about 7586.2211278080. The cubic root of 57550751 is about 386.0856544325.

The spelling of 57550751 in words is "fifty-seven million, five hundred fifty thousand, seven hundred fifty-one".