557279112 has 64 divisors (see below), whose sum is σ = 1514479680. Its totient is φ = 169857792.

The previous prime is 557279111. The next prime is 557279113. The reversal of 557279112 is 211972755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (557279111) and next prime (557279113).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (557279111) 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, 25038 + ... + 41730.

It is an arithmetic number, because the mean of its divisors is an integer number (23663745).

Almost surely, 2^557279112 is an apocalyptic number.

557279112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557279112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757239840).

557279112 is an abundant number, since it is smaller than the sum of its proper divisors (957200568).

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

557279112 is a wasteful number, since it uses less digits than its factorization.

557279112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16822 (or 16818 counting only the distinct ones).

The product of its digits is 44100, while the sum is 39.

The square root of 557279112 is about 23606.7598793227. The cubic root of 557279112 is about 822.9199449490.

The spelling of 557279112 in words is "five hundred fifty-seven million, two hundred seventy-nine thousand, one hundred twelve".