551424997 has 4 divisors (see below), whose sum is σ = 551603916. Its totient is φ = 551246080.

The previous prime is 551424989. The next prime is 551425001. The reversal of 551424997 is 799424155.

551424997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 457703236 + 93721761 = 21394^2 + 9681^2 .

It is a cyclic number.

It is not a de Polignac number, because 551424997 - 2³ = 551424989 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 (551424397) 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, 84754 + ... + 91027.

It is an arithmetic number, because the mean of its divisors is an integer number (137900979).

Almost surely, 2^551424997 is an apocalyptic number.

It is an amenable number.

551424997 is a deficient number, since it is larger than the sum of its proper divisors (178919).

551424997 is a wasteful number, since it uses less digits than its factorization.

551424997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178918.

The product of its digits is 453600, while the sum is 46.

The square root of 551424997 is about 23482.4401841035. The cubic root of 551424997 is about 820.0282545291.

The spelling of 551424997 in words is "five hundred fifty-one million, four hundred twenty-four thousand, nine hundred ninety-seven".