557210828 has 12 divisors (see below), whose sum is σ = 998902632. Its totient is φ = 271810080.

The previous prime is 557210827. The next prime is 557210831. The reversal of 557210828 is 828012755.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 557210791 and 557210800.

It is not an unprimeable number, because it can be changed into a prime (557210821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698650 + ... + 1698977.

It is an arithmetic number, because the mean of its divisors is an integer number (83241886).

Almost surely, 2^557210828 is an apocalyptic number.

It is an amenable number.

557210828 is a deficient number, since it is larger than the sum of its proper divisors (441691804).

557210828 is a wasteful number, since it uses less digits than its factorization.

557210828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397672 (or 3397670 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 557210828 is about 23605.3135543674. The cubic root of 557210828 is about 822.8863324919.

The spelling of 557210828 in words is "five hundred fifty-seven million, two hundred ten thousand, eight hundred twenty-eight".