557029444 has 24 divisors (see below), whose sum is σ = 1000032768. Its totient is φ = 271325760.

The previous prime is 557029409. The next prime is 557029469. The reversal of 557029444 is 444920755.

It is a junction number, because it is equal to n+sod(n) for n = 557029397 and 557029406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132909 + ... + 137035.

It is an arithmetic number, because the mean of its divisors is an integer number (41668032).

Almost surely, 2^557029444 is an apocalyptic number.

It is an amenable number.

557029444 is a deficient number, since it is larger than the sum of its proper divisors (443003324).

557029444 is a wasteful number, since it uses less digits than its factorization.

557029444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 557029444 is about 23601.4712253283. The cubic root of 557029444 is about 822.7970337887.

The spelling of 557029444 in words is "five hundred fifty-seven million, twenty-nine thousand, four hundred forty-four".