557838204 has 144 divisors (see below), whose sum is σ = 1724701440. Its totient is φ = 136304640.

The previous prime is 557838191. The next prime is 557838209. The reversal of 557838204 is 402838755.

It is a super-2 number, since 2×557838204² = 622366923683891232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557838209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265992 + ... + 268080.

Almost surely, 2^557838204 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 557838204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862350720).

557838204 is an abundant number, since it is smaller than the sum of its proper divisors (1166863236).

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

557838204 is a wasteful number, since it uses less digits than its factorization.

557838204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 557838204 is about 23618.5986883219. The cubic root of 557838204 is about 823.1950519658.

The spelling of 557838204 in words is "five hundred fifty-seven million, eight hundred thirty-eight thousand, two hundred four".