551442223505 has 16 divisors (see below), whose sum is σ = 666925083648. Its totient is φ = 437697960000.

The previous prime is 551442223477. The next prime is 551442223543. The reversal of 551442223505 is 505322244155.

It is not a de Polignac number, because 551442223505 - 2⁶ = 551442223441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175040 + ... + 1064670.

It is an arithmetic number, because the mean of its divisors is an integer number (41682817728).

Almost surely, 2^551442223505 is an apocalyptic number.

It is an amenable number.

551442223505 is a deficient number, since it is larger than the sum of its proper divisors (115482860143).

551442223505 is a wasteful number, since it uses less digits than its factorization.

551442223505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890608.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 551442223505 in words is "five hundred fifty-one billion, four hundred forty-two million, two hundred twenty-three thousand, five hundred five".