557438834754 has 12 divisors (see below), whose sum is σ = 1207784142006. Its totient is φ = 185812944912.

The previous prime is 557438834723. The next prime is 557438834759. The reversal of 557438834754 is 457438834755.

It is a happy number.

557438834754 is a `hidden beast` number, since 5 + 57 + 4 + 38 + 83 + 475 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 346043945025 + 211394889729 = 588255^2 + 459777^2 .

It is a junction number, because it is equal to n+sod(n) for n = 557438834691 and 557438834700.

It is not an unprimeable number, because it can be changed into a prime (557438834759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15484412059 + ... + 15484412094.

Almost surely, 2^557438834754 is an apocalyptic number.

557438834754 is an abundant number, since it is smaller than the sum of its proper divisors (650345307252).

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

557438834754 is a wasteful number, since it uses less digits than its factorization.

557438834754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30968824161 (or 30968824158 counting only the distinct ones).

The product of its digits is 225792000, while the sum is 63.

Subtracting from 557438834754 its reverse (457438834755), we obtain a palindrome (99999999999).

The spelling of 557438834754 in words is "five hundred fifty-seven billion, four hundred thirty-eight million, eight hundred thirty-four thousand, seven hundred fifty-four".