551442223451 has 16 divisors (see below), whose sum is σ = 650658551808. Its totient is φ = 457340731200.

The previous prime is 551442223441. The next prime is 551442223457. The reversal of 551442223451 is 154322244155.

It is a cyclic number.

It is not a de Polignac number, because 551442223451 - 2¹⁴ = 551442207067 is a prime.

It is a super-2 number, since 2×551442223451² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551442223457) 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, 1101071 + ... + 1521591.

It is an arithmetic number, because the mean of its divisors is an integer number (40666159488).

Almost surely, 2^551442223451 is an apocalyptic number.

551442223451 is a deficient number, since it is larger than the sum of its proper divisors (99216328357).

551442223451 is a wasteful number, since it uses less digits than its factorization.

551442223451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426602.

The product of its digits is 192000, while the sum is 38.

The spelling of 551442223451 in words is "five hundred fifty-one billion, four hundred forty-two million, two hundred twenty-three thousand, four hundred fifty-one".