551706975530 has 16 divisors (see below), whose sum is σ = 1000653264864. Its totient is φ = 218998188240.

The previous prime is 551706975481. The next prime is 551706975539. The reversal of 551706975530 is 35579607155.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551706975539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210573872 + ... + 210576491.

It is an arithmetic number, because the mean of its divisors is an integer number (62540829054).

Almost surely, 2^551706975530 is an apocalyptic number.

551706975530 is a deficient number, since it is larger than the sum of its proper divisors (448946289334).

551706975530 is a wasteful number, since it uses less digits than its factorization.

551706975530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421150501.

The product of its (nonzero) digits is 4961250, while the sum is 53.

The spelling of 551706975530 in words is "five hundred fifty-one billion, seven hundred six million, nine hundred seventy-five thousand, five hundred thirty".