557456250 has 96 divisors (see below), whose sum is σ = 1501403904. Its totient is φ = 137160000.

The previous prime is 557456239. The next prime is 557456261. The reversal of 557456250 is 52654755.

557456250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (557456239) and next prime (557456261).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 557456199 and 557456208.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242607 + ... + 244893.

It is an arithmetic number, because the mean of its divisors is an integer number (15639624).

Almost surely, 2^557456250 is an apocalyptic number.

557456250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 557456250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750701952).

557456250 is an abundant number, since it is smaller than the sum of its proper divisors (943947654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557456250 is a wasteful number, since it uses less digits than its factorization.

557456250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 557456250 is about 23610.5114302931. The cubic root of 557456250 is about 823.0071274445.

The spelling of 557456250 in words is "five hundred fifty-seven million, four hundred fifty-six thousand, two hundred fifty".