551173976061 has 4 divisors (see below), whose sum is σ = 734898634752. Its totient is φ = 367449317372.

The previous prime is 551173976057. The next prime is 551173976063. The reversal of 551173976061 is 160679371155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551173976061 - 2² = 551173976057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551173975995 and 551173976013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551173976063) 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, 91862329341 + ... + 91862329346.

It is an arithmetic number, because the mean of its divisors is an integer number (183724658688).

Almost surely, 2^551173976061 is an apocalyptic number.

It is an amenable number.

551173976061 is a deficient number, since it is larger than the sum of its proper divisors (183724658691).

551173976061 is a wasteful number, since it uses less digits than its factorization.

551173976061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183724658690.

The product of its (nonzero) digits is 1190700, while the sum is 51.

The spelling of 551173976061 in words is "five hundred fifty-one billion, one hundred seventy-three million, nine hundred seventy-six thousand, sixty-one".