555690874 has 4 divisors (see below), whose sum is σ = 833536314. Its totient is φ = 277845436.

The previous prime is 555690809. The next prime is 555690887. The reversal of 555690874 is 478096555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478096555 = 5 ⋅95619311.

It can be written as a sum of positive squares in only one way, i.e., 343842849 + 211848025 = 18543^2 + 14555^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138922717 + ... + 138922720.

Almost surely, 2^555690874 is an apocalyptic number.

555690874 is a deficient number, since it is larger than the sum of its proper divisors (277845440).

555690874 is a wasteful number, since it uses less digits than its factorization.

555690874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277845439.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 555690874 is about 23573.0964024669. The cubic root of 555690874 is about 822.1374308215.

The spelling of 555690874 in words is "five hundred fifty-five million, six hundred ninety thousand, eight hundred seventy-four".