551854285643 has 8 divisors (see below), whose sum is σ = 560104370640. Its totient is φ = 543604596480.

The previous prime is 551854285627. The next prime is 551854285669. The reversal of 551854285643 is 346582458155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551854285643 - 2⁴ = 551854285627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551854287643) 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, 3921443 + ... + 4059731.

It is an arithmetic number, because the mean of its divisors is an integer number (70013046330).

Almost surely, 2^551854285643 is an apocalyptic number.

551854285643 is a deficient number, since it is larger than the sum of its proper divisors (8250084997).

551854285643 is a wasteful number, since it uses less digits than its factorization.

551854285643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197917.

The product of its digits is 23040000, while the sum is 56.

The spelling of 551854285643 in words is "five hundred fifty-one billion, eight hundred fifty-four million, two hundred eighty-five thousand, six hundred forty-three".