551105625 has 80 divisors (see below), whose sum is σ = 1059660800. Its totient is φ = 249480000.

The previous prime is 551105623. The next prime is 551105629. The reversal of 551105625 is 526501155.

It is not a de Polignac number, because 551105625 - 2¹ = 551105623 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551105592 and 551105601.

It is not an unprimeable number, because it can be changed into a prime (551105623) 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 79 ways as a sum of consecutive naturals, for example, 2611770 + ... + 2611980.

It is an arithmetic number, because the mean of its divisors is an integer number (13245760).

Almost surely, 2^551105625 is an apocalyptic number.

It is an amenable number.

551105625 is a deficient number, since it is larger than the sum of its proper divisors (508555175).

551105625 is a wasteful number, since it uses less digits than its factorization.

551105625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 551105625 is about 23475.6389689397. The cubic root of 551105625 is about 819.8699104555.

The spelling of 551105625 in words is "five hundred fifty-one million, one hundred five thousand, six hundred twenty-five".