551888093 has 4 divisors (see below), whose sum is σ = 554661600. Its totient is φ = 549114588.

The previous prime is 551888089. The next prime is 551888107. The reversal of 551888093 is 390888155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551888093 - 2² = 551888089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551884093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386455 + ... + 1386852.

It is an arithmetic number, because the mean of its divisors is an integer number (138665400).

Almost surely, 2^551888093 is an apocalyptic number.

It is an amenable number.

551888093 is a deficient number, since it is larger than the sum of its proper divisors (2773507).

551888093 is a wasteful number, since it uses less digits than its factorization.

551888093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773506.

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 551888093 is about 23492.2985891121. The cubic root of 551888093 is about 820.2577481435.

The spelling of 551888093 in words is "five hundred fifty-one million, eight hundred eighty-eight thousand, ninety-three".