551912975 has 6 divisors (see below), whose sum is σ = 684372120. Its totient is φ = 441530360.

The previous prime is 551912971. The next prime is 551912987. The reversal of 551912975 is 579219155.

It is not a de Polignac number, because 551912975 - 2² = 551912971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551912971) 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 5 ways as a sum of consecutive naturals, for example, 11038235 + ... + 11038284.

It is an arithmetic number, because the mean of its divisors is an integer number (114062020).

Almost surely, 2^551912975 is an apocalyptic number.

551912975 is a deficient number, since it is larger than the sum of its proper divisors (132459145).

551912975 is a wasteful number, since it uses less digits than its factorization.

551912975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22076529 (or 22076524 counting only the distinct ones).

The product of its digits is 141750, while the sum is 44.

The square root of 551912975 is about 23492.8281609516. The cubic root of 551912975 is about 820.2700751272.

The spelling of 551912975 in words is "five hundred fifty-one million, nine hundred twelve thousand, nine hundred seventy-five".