551161392 has 40 divisors (see below), whose sum is σ = 1432085424. Its totient is φ = 182655744.

The previous prime is 551161381. The next prime is 551161393. The reversal of 551161392 is 293161155.

It is not an unprimeable number, because it can be changed into a prime (551161393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24883 + ... + 41490.

Almost surely, 2^551161392 is an apocalyptic number.

It is an amenable number.

551161392 is an abundant number, since it is smaller than the sum of its proper divisors (880924032).

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

551161392 is a wasteful number, since it uses less digits than its factorization.

551161392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66557 (or 66551 counting only the distinct ones).

The product of its digits is 8100, while the sum is 33.

The square root of 551161392 is about 23476.8267020907. The cubic root of 551161392 is about 819.8975640432.

The spelling of 551161392 in words is "five hundred fifty-one million, one hundred sixty-one thousand, three hundred ninety-two".