557055750 has 64 divisors (see below), whose sum is σ = 1420084224. Its totient is φ = 145378400.

The previous prime is 557055739. The next prime is 557055787. The reversal of 557055750 is 57550755.

It is a super-2 number, since 2×557055750² = 620622217216125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557055699 and 557055708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27349 + ... + 43151.

It is an arithmetic number, because the mean of its divisors is an integer number (22188816).

Almost surely, 2^557055750 is an apocalyptic number.

557055750 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 557055750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710042112).

557055750 is an abundant number, since it is smaller than the sum of its proper divisors (863028474).

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

557055750 is a wasteful number, since it uses less digits than its factorization.

557055750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870 (or 15860 counting only the distinct ones).

The product of its (nonzero) digits is 153125, while the sum is 39.

The square root of 557055750 is about 23602.0285145154. The cubic root of 557055750 is about 822.8099859215.

The spelling of 557055750 in words is "five hundred fifty-seven million, fifty-five thousand, seven hundred fifty".