551125597 has 12 divisors (see below), whose sum is σ = 606553948. Its totient is φ = 500385600.

The previous prime is 551125583. The next prime is 551125607. The reversal of 551125597 is 795521155.

It is a happy number.

551125597 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 260047876 + 291077721 = 16126^2 + 17061^2 .

It is a de Polignac number, because none of the positive numbers 2^k-551125597 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551125537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110947 + ... + 115807.

Almost surely, 2^551125597 is an apocalyptic number.

It is an amenable number.

551125597 is a deficient number, since it is larger than the sum of its proper divisors (55428351).

551125597 is a wasteful number, since it uses less digits than its factorization.

551125597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5809 counting only the distinct ones).

The product of its digits is 78750, while the sum is 40.

The square root of 551125597 is about 23476.0643422189. The cubic root of 551125597 is about 819.8798143308.

The spelling of 551125597 in words is "five hundred fifty-one million, one hundred twenty-five thousand, five hundred ninety-seven".