557372647 has 12 divisors (see below), whose sum is σ = 608321280. Its totient is φ = 510427008.

The previous prime is 557372603. The next prime is 557372681. The reversal of 557372647 is 746273755.

It is a happy number.

557372647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-557372647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557372597 and 557372606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557373647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8479 + ... + 34447.

It is an arithmetic number, because the mean of its divisors is an integer number (50693440).

Almost surely, 2^557372647 is an apocalyptic number.

557372647 is a deficient number, since it is larger than the sum of its proper divisors (50948633).

557372647 is a wasteful number, since it uses less digits than its factorization.

557372647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26122 (or 26109 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 46.

The square root of 557372647 is about 23608.7409024708. The cubic root of 557372647 is about 822.9659826283.

The spelling of 557372647 in words is "five hundred fifty-seven million, three hundred seventy-two thousand, six hundred forty-seven".