557789825 has 6 divisors (see below), whose sum is σ = 691659414. Its totient is φ = 446231840.

The previous prime is 557789801. The next prime is 557789831. The reversal of 557789825 is 528987755.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 173159281 + 384630544 = 13159^2 + 19612^2 .

It is not a de Polignac number, because 557789825 - 2⁶ = 557789761 is a prime.

It is a super-2 number, since 2×557789825² = 622258977747061250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11155772 + ... + 11155821.

It is an arithmetic number, because the mean of its divisors is an integer number (115276569).

Almost surely, 2^557789825 is an apocalyptic number.

It is an amenable number.

557789825 is a deficient number, since it is larger than the sum of its proper divisors (133869589).

557789825 is a wasteful number, since it uses less digits than its factorization.

557789825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311603 (or 22311598 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 56.

The square root of 557789825 is about 23617.5744944310. The cubic root of 557789825 is about 823.1712538439.

The spelling of 557789825 in words is "five hundred fifty-seven million, seven hundred eighty-nine thousand, eight hundred twenty-five".