57461839 has 2 divisors, whose sum is σ = 57461840. Its totient is φ = 57461838.

The previous prime is 57461837. The next prime is 57461863. The reversal of 57461839 is 93816475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57461839 - 2¹ = 57461837 is a prime.

Together with 57461837, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 57461795 and 57461804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57461837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28730919 + 28730920.

It is an arithmetic number, because the mean of its divisors is an integer number (28730920).

Almost surely, 2^57461839 is an apocalyptic number.

57461839 is a deficient number, since it is larger than the sum of its proper divisors (1).

57461839 is an equidigital number, since it uses as much as digits as its factorization.

57461839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 57461839 is about 7580.3587645968. The cubic root of 57461839 is about 385.8867265862.

The spelling of 57461839 in words is "fifty-seven million, four hundred sixty-one thousand, eight hundred thirty-nine".