556124994 has 32 divisors (see below), whose sum is σ = 1237347840. Its totient is φ = 185147856.

The previous prime is 556124993. The next prime is 556125001. The reversal of 556124994 is 499421655.

556124994 is a `hidden beast` number, since 556 + 1 + 2 + 4 + 9 + 94 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556124993) 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, 41487 + ... + 53229.

It is an arithmetic number, because the mean of its divisors is an integer number (38667120).

Almost surely, 2^556124994 is an apocalyptic number.

556124994 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

556124994 is an abundant number, since it is smaller than the sum of its proper divisors (681222846).

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

556124994 is a wasteful number, since it uses less digits than its factorization.

556124994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631 (or 12625 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 556124994 is about 23582.3025593346. The cubic root of 556124994 is about 822.3514667282.

It can be divided in two parts, 55612 and 4994, that added together give a palindrome (60606).

The spelling of 556124994 in words is "five hundred fifty-six million, one hundred twenty-four thousand, nine hundred ninety-four".