57456433 has 2 divisors, whose sum is σ = 57456434. Its totient is φ = 57456432.

The previous prime is 57456431. The next prime is 57456439. The reversal of 57456433 is 33465475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49322529 + 8133904 = 7023^2 + 2852^2 .

It is a cyclic number.

It is not a de Polignac number, because 57456433 - 2¹ = 57456431 is a prime.

Together with 57456431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 57456392 and 57456401.

It is not a weakly prime, because it can be changed into another prime (57456431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28728216 + 28728217.

It is an arithmetic number, because the mean of its divisors is an integer number (28728217).

Almost surely, 2^57456433 is an apocalyptic number.

It is an amenable number.

57456433 is a deficient number, since it is larger than the sum of its proper divisors (1).

57456433 is an equidigital number, since it uses as much as digits as its factorization.

57456433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 37.

The square root of 57456433 is about 7580.0021767807. The cubic root of 57456433 is about 385.8746248209.

It can be divided in two parts, 57 and 456433, that added together give a triangular number (456490 = T₉₅₅).

The spelling of 57456433 in words is "fifty-seven million, four hundred fifty-six thousand, four hundred thirty-three".