557279851 has 2 divisors, whose sum is σ = 557279852. Its totient is φ = 557279850.

The previous prime is 557279809. The next prime is 557279867. The reversal of 557279851 is 158972755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557279851 - 2¹¹ = 557277803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557279795 and 557279804.

It is not a weakly prime, because it can be changed into another prime (557279881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278639925 + 278639926.

It is an arithmetic number, because the mean of its divisors is an integer number (278639926).

Almost surely, 2^557279851 is an apocalyptic number.

557279851 is a deficient number, since it is larger than the sum of its proper divisors (1).

557279851 is an equidigital number, since it uses as much as digits as its factorization.

557279851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882000, while the sum is 49.

The square root of 557279851 is about 23606.7755316138. The cubic root of 557279851 is about 822.9203087031.

The spelling of 557279851 in words is "five hundred fifty-seven million, two hundred seventy-nine thousand, eight hundred fifty-one".