57942541 has 2 divisors, whose sum is σ = 57942542. Its totient is φ = 57942540.

The previous prime is 57942539. The next prime is 57942559. The reversal of 57942541 is 14524975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54081316 + 3861225 = 7354^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 57942541 - 2¹ = 57942539 is a prime.

Together with 57942539, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57942541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57942581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28971270 + 28971271.

It is an arithmetic number, because the mean of its divisors is an integer number (28971271).

Almost surely, 2^57942541 is an apocalyptic number.

It is an amenable number.

57942541 is a deficient number, since it is larger than the sum of its proper divisors (1).

57942541 is an equidigital number, since it uses as much as digits as its factorization.

57942541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 57942541 is about 7611.9998029427. Note that the first 3 decimals coincide. The cubic root of 57942541 is about 386.9597961382.

The spelling of 57942541 in words is "fifty-seven million, nine hundred forty-two thousand, five hundred forty-one".