551105994 has 8 divisors (see below), whose sum is σ = 1102212000. Its totient is φ = 183701996.

The previous prime is 551105939. The next prime is 551106011. The reversal of 551105994 is 499501155.

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

551105994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45925494 + ... + 45925505.

It is an arithmetic number, because the mean of its divisors is an integer number (137776500).

Almost surely, 2^551105994 is an apocalyptic number.

551105994 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.

551105994 is a wasteful number, since it uses less digits than its factorization.

551105994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91851004.

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 551105994 is about 23475.6468281494. The cubic root of 551105994 is about 819.8700934404.

The spelling of 551105994 in words is "five hundred fifty-one million, one hundred five thousand, nine hundred ninety-four".