557226678 has 8 divisors (see below), whose sum is σ = 1114453368. Its totient is φ = 185742224.

The previous prime is 557226671. The next prime is 557226679. The reversal of 557226678 is 876622755.

557226678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

557226678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557226671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46435551 + ... + 46435562.

It is an arithmetic number, because the mean of its divisors is an integer number (139306671).

Almost surely, 2^557226678 is an apocalyptic number.

557226678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

557226678 is a wasteful number, since it uses less digits than its factorization.

557226678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92871118.

The product of its digits is 1411200, while the sum is 48.

The square root of 557226678 is about 23605.6492814750. The cubic root of 557226678 is about 822.8941348198.

The spelling of 557226678 in words is "five hundred fifty-seven million, two hundred twenty-six thousand, six hundred seventy-eight".