57745619 has 2 divisors, whose sum is σ = 57745620. Its totient is φ = 57745618.

The previous prime is 57745607. The next prime is 57745643. The reversal of 57745619 is 91654775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57745619 - 2¹⁶ = 57680083 is a prime.

It is a super-2 number, since 2×57745619² = 6669113027386322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57745619.

It is not a weakly prime, because it can be changed into another prime (57735619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28872809 + 28872810.

It is an arithmetic number, because the mean of its divisors is an integer number (28872810).

Almost surely, 2^57745619 is an apocalyptic number.

57745619 is a deficient number, since it is larger than the sum of its proper divisors (1).

57745619 is an equidigital number, since it uses as much as digits as its factorization.

57745619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 44.

The square root of 57745619 is about 7599.0538226808. The cubic root of 57745619 is about 386.5209281159.

The spelling of 57745619 in words is "fifty-seven million, seven hundred forty-five thousand, six hundred nineteen".