57120043 has 2 divisors, whose sum is σ = 57120044. Its totient is φ = 57120042.

The previous prime is 57119987. The next prime is 57120047. The reversal of 57120043 is 34002175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57120043 - 2¹³ = 57111851 is a prime.

It is a super-3 number, since 3×57120043³ (a number of 24 digits) contains 333 as substring.

It is equal to p_3401185 and since 57120043 and 3401185 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 57119996 and 57120023.

It is not a weakly prime, because it can be changed into another prime (57120047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28560021 + 28560022.

It is an arithmetic number, because the mean of its divisors is an integer number (28560022).

Almost surely, 2^57120043 is an apocalyptic number.

57120043 is a deficient number, since it is larger than the sum of its proper divisors (1).

57120043 is an equidigital number, since it uses as much as digits as its factorization.

57120043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 57120043 is about 7557.7802958276. The cubic root of 57120043 is about 385.1200907204.

The spelling of 57120043 in words is "fifty-seven million, one hundred twenty thousand, forty-three".