57421183 has 2 divisors, whose sum is σ = 57421184. Its totient is φ = 57421182.

The previous prime is 57421163. The next prime is 57421237. The reversal of 57421183 is 38112475.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57421183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57421123) 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, 28710591 + 28710592.

It is an arithmetic number, because the mean of its divisors is an integer number (28710592).

Almost surely, 2^57421183 is an apocalyptic number.

57421183 is a deficient number, since it is larger than the sum of its proper divisors (1).

57421183 is an equidigital number, since it uses as much as digits as its factorization.

57421183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 57421183 is about 7577.6766228178. The cubic root of 57421183 is about 385.7956962459.

The spelling of 57421183 in words is "fifty-seven million, four hundred twenty-one thousand, one hundred eighty-three".