57553841 has 2 divisors, whose sum is σ = 57553842. Its totient is φ = 57553840.

The previous prime is 57553817. The next prime is 57553861. The reversal of 57553841 is 14835575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 20295025 = 6104^2 + 4505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57553841 is a prime.

It is a super-2 number, since 2×57553841² = 6624889227706562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57553795 and 57553804.

It is not a weakly prime, because it can be changed into another prime (57553861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28776920 + 28776921.

It is an arithmetic number, because the mean of its divisors is an integer number (28776921).

Almost surely, 2^57553841 is an apocalyptic number.

It is an amenable number.

57553841 is a deficient number, since it is larger than the sum of its proper divisors (1).

57553841 is an equidigital number, since it uses as much as digits as its factorization.

57553841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 57553841 is about 7586.4247837832. The cubic root of 57553841 is about 386.0925641792.

The spelling of 57553841 in words is "fifty-seven million, five hundred fifty-three thousand, eight hundred forty-one".