551706225243 has 16 divisors (see below), whose sum is σ = 741148198560. Its totient is φ = 365035437056.

The previous prime is 551706225241. The next prime is 551706225251. The reversal of 551706225243 is 342522607155.

It is a cyclic number.

It is not a de Polignac number, because 551706225243 - 2¹ = 551706225241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551706225195 and 551706225204.

It is not an unprimeable number, because it can be changed into a prime (551706225241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659871 + ... + 1964327.

It is an arithmetic number, because the mean of its divisors is an integer number (46321762410).

Almost surely, 2^551706225243 is an apocalyptic number.

551706225243 is a deficient number, since it is larger than the sum of its proper divisors (189441973317).

551706225243 is a wasteful number, since it uses less digits than its factorization.

551706225243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309006.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 551706225243 in words is "five hundred fifty-one billion, seven hundred six million, two hundred twenty-five thousand, two hundred forty-three".