557384753 has 2 divisors, whose sum is σ = 557384754. Its totient is φ = 557384752.

The previous prime is 557384749. The next prime is 557384767. The reversal of 557384753 is 357483755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557337664 + 47089 = 23608^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 557384753 - 2² = 557384749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 557384698 and 557384707.

It is not a weakly prime, because it can be changed into another prime (557384153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278692376 + 278692377.

It is an arithmetic number, because the mean of its divisors is an integer number (278692377).

Almost surely, 2^557384753 is an apocalyptic number.

It is an amenable number.

557384753 is a deficient number, since it is larger than the sum of its proper divisors (1).

557384753 is an equidigital number, since it uses as much as digits as its factorization.

557384753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764000, while the sum is 47.

The square root of 557384753 is about 23608.9972891692. The cubic root of 557384753 is about 822.9719407930.

The spelling of 557384753 in words is "five hundred fifty-seven million, three hundred eighty-four thousand, seven hundred fifty-three".