557374447 has 16 divisors (see below), whose sum is σ = 650452032. Its totient is φ = 467700480.

The previous prime is 557374423. The next prime is 557374453. The reversal of 557374447 is 744473755.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557374447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557374397 and 557374406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557374417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199323 + ... + 202099.

It is an arithmetic number, because the mean of its divisors is an integer number (40653252).

Almost surely, 2^557374447 is an apocalyptic number.

557374447 is a deficient number, since it is larger than the sum of its proper divisors (93077585).

557374447 is a wasteful number, since it uses less digits than its factorization.

557374447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its digits is 1646400, while the sum is 46.

The square root of 557374447 is about 23608.7790239140. The cubic root of 557374447 is about 822.9668685330.

The spelling of 557374447 in words is "five hundred fifty-seven million, three hundred seventy-four thousand, four hundred forty-seven".