557504604 has 72 divisors (see below), whose sum is σ = 1453521888. Its totient is φ = 180040320.

The previous prime is 557504603. The next prime is 557504611. The reversal of 557504604 is 406405755.

It is a happy number.

It is a super-2 number, since 2×557504604² = 621622766962393632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557504603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368209 + ... + 369719.

It is an arithmetic number, because the mean of its divisors is an integer number (20187804).

Almost surely, 2^557504604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557504604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726760944).

557504604 is an abundant number, since it is smaller than the sum of its proper divisors (896017284).

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

557504604 is a wasteful number, since it uses less digits than its factorization.

557504604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 557504604 is about 23611.5354011551. The cubic root of 557504604 is about 823.0309227564.

The spelling of 557504604 in words is "five hundred fifty-seven million, five hundred four thousand, six hundred four".