551140773 has 4 divisors (see below), whose sum is σ = 734854368. Its totient is φ = 367427180.

The previous prime is 551140747. The next prime is 551140781. The reversal of 551140773 is 377041155.

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 551140773 - 2¹⁴ = 551124389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551140873) 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, 91856793 + ... + 91856798.

It is an arithmetic number, because the mean of its divisors is an integer number (183713592).

Almost surely, 2^551140773 is an apocalyptic number.

It is an amenable number.

551140773 is a deficient number, since it is larger than the sum of its proper divisors (183713595).

551140773 is a wasteful number, since it uses less digits than its factorization.

551140773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183713594.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 551140773 is about 23476.3875628258. The cubic root of 551140773 is about 819.8873397672.

The spelling of 551140773 in words is "five hundred fifty-one million, one hundred forty thousand, seven hundred seventy-three".