551916893 has 8 divisors (see below), whose sum is σ = 622853280. Its totient is φ = 484440880.

The previous prime is 551916851. The next prime is 551916899. The reversal of 551916893 is 398619155.

551916893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 551916893 - 2⁶ = 551916829 is a prime.

It is a super-2 number, since 2×551916893² = 609224513557546898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551916899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864755 + ... + 865392.

It is an arithmetic number, because the mean of its divisors is an integer number (77856660).

Almost surely, 2^551916893 is an apocalyptic number.

It is an amenable number.

551916893 is a deficient number, since it is larger than the sum of its proper divisors (70936387).

551916893 is a wasteful number, since it uses less digits than its factorization.

551916893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730187.

The product of its digits is 291600, while the sum is 47.

The square root of 551916893 is about 23492.9115479542. The cubic root of 551916893 is about 820.2720161400.

The spelling of 551916893 in words is "five hundred fifty-one million, nine hundred sixteen thousand, eight hundred ninety-three".