557250000 has 140 divisors (see below), whose sum is σ = 1801851936. Its totient is φ = 148400000.

The previous prime is 557249981. The next prime is 557250011. The reversal of 557250000 is 52755.

557250000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 749629 + ... + 750371.

Almost surely, 2^557250000 is an apocalyptic number.

557250000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900925968).

557250000 is an abundant number, since it is smaller than the sum of its proper divisors (1244601936).

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

557250000 is an frugal number, since it uses more digits than its factorization.

557250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 557250000 is about 23606.1432682258. The cubic root of 557250000 is about 822.9056150486.

The spelling of 557250000 in words is "five hundred fifty-seven million, two hundred fifty thousand".