557641234 has 16 divisors (see below), whose sum is σ = 841024800. Its totient is φ = 277304544.

The previous prime is 557641213. The next prime is 557641277. The reversal of 557641234 is 432146755.

It is a junction number, because it is equal to n+sod(n) for n = 557641193 and 557641202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341929 + ... + 343555.

It is an arithmetic number, because the mean of its divisors is an integer number (52564050).

Almost surely, 2^557641234 is an apocalyptic number.

557641234 is a deficient number, since it is larger than the sum of its proper divisors (283383566).

557641234 is a wasteful number, since it uses less digits than its factorization.

557641234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its digits is 100800, while the sum is 37.

The square root of 557641234 is about 23614.4285130934. The cubic root of 557641234 is about 823.0981518156.

Adding to 557641234 its reverse (432146755), we get a palindrome (989787989).

The spelling of 557641234 in words is "five hundred fifty-seven million, six hundred forty-one thousand, two hundred thirty-four".