557643374 has 8 divisors (see below), whose sum is σ = 836565408. Its totient is φ = 278788240.

The previous prime is 557643353. The next prime is 557643379. The reversal of 557643374 is 473346755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×557643374² = 621932265132207752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557643379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22754 + ... + 40410.

It is an arithmetic number, because the mean of its divisors is an integer number (104570676).

Almost surely, 2^557643374 is an apocalyptic number.

557643374 is a deficient number, since it is larger than the sum of its proper divisors (278922034).

557643374 is a wasteful number, since it uses less digits than its factorization.

557643374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33450.

The product of its digits is 1058400, while the sum is 44.

The square root of 557643374 is about 23614.4738243307. The cubic root of 557643374 is about 823.0992047194.

The spelling of 557643374 in words is "five hundred fifty-seven million, six hundred forty-three thousand, three hundred seventy-four".