551124138 has 32 divisors (see below), whose sum is σ = 1141217280. Its totient is φ = 177248880.

The previous prime is 551124121. The next prime is 551124187. The reversal of 551124138 is 831421155.

551124138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60273 + ... + 68811.

It is an arithmetic number, because the mean of its divisors is an integer number (35663040).

Almost surely, 2^551124138 is an apocalyptic number.

551124138 is an abundant number, since it is smaller than the sum of its proper divisors (590093142).

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

551124138 is a wasteful number, since it uses less digits than its factorization.

551124138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922.

The product of its digits is 4800, while the sum is 30.

The square root of 551124138 is about 23476.0332679948. The cubic root of 551124138 is about 819.8790908383.

The spelling of 551124138 in words is "five hundred fifty-one million, one hundred twenty-four thousand, one hundred thirty-eight".