557894690 has 16 divisors (see below), whose sum is σ = 1004553792. Its totient is φ = 223081584.

The previous prime is 557894681. The next prime is 557894719. The reversal of 557894690 is 96498755.

It is a super-2 number, since 2×557894690² = 622492970260392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28337 + ... + 43803.

It is an arithmetic number, because the mean of its divisors is an integer number (62784612).

Almost surely, 2^557894690 is an apocalyptic number.

557894690 is a deficient number, since it is larger than the sum of its proper divisors (446659102).

557894690 is a wasteful number, since it uses less digits than its factorization.

557894690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 557894690 is about 23619.7944529583. The cubic root of 557894690 is about 823.2228362624. Note that the first 3 decimals are identical.

The spelling of 557894690 in words is "five hundred fifty-seven million, eight hundred ninety-four thousand, six hundred ninety".