553990857 has 32 divisors (see below), whose sum is σ = 911278080. Its totient is φ = 292353600.

The previous prime is 553990823. The next prime is 553990933. The reversal of 553990857 is 758099355.

It is not a de Polignac number, because 553990857 - 2⁶ = 553990793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553990817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5769 + ... + 33782.

It is an arithmetic number, because the mean of its divisors is an integer number (28477440).

Almost surely, 2^553990857 is an apocalyptic number.

It is an amenable number.

553990857 is a deficient number, since it is larger than the sum of its proper divisors (357287223).

553990857 is a wasteful number, since it uses less digits than its factorization.

553990857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39613.

The product of its (nonzero) digits is 1701000, while the sum is 51.

The square root of 553990857 is about 23537.0103666545. The cubic root of 553990857 is about 821.2981900558.

The spelling of 553990857 in words is "five hundred fifty-three million, nine hundred ninety thousand, eight hundred fifty-seven".