57735473 has 2 divisors, whose sum is σ = 57735474. Its totient is φ = 57735472.

The previous prime is 57735449. The next prime is 57735487. The reversal of 57735473 is 37453775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 8567329 = 7012^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 57735473 - 2⁶ = 57735409 is a prime.

It is a super-4 number, since 4×57735473⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57735473.

It is not a weakly prime, because it can be changed into another prime (57735413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28867736 + 28867737.

It is an arithmetic number, because the mean of its divisors is an integer number (28867737).

Almost surely, 2^57735473 is an apocalyptic number.

It is an amenable number.

57735473 is a deficient number, since it is larger than the sum of its proper divisors (1).

57735473 is an equidigital number, since it uses as much as digits as its factorization.

57735473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308700, while the sum is 41.

The square root of 57735473 is about 7598.3862102423. The cubic root of 57735473 is about 386.4982893363.

The spelling of 57735473 in words is "fifty-seven million, seven hundred thirty-five thousand, four hundred seventy-three".