551274773753 has 32 divisors (see below), whose sum is σ = 632659507200. Its totient is φ = 475694956800.

The previous prime is 551274773741. The next prime is 551274773759. The reversal of 551274773753 is 357377472155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 551274773753 - 2⁶ = 551274773689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551274773759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43562375 + ... + 43575027.

It is an arithmetic number, because the mean of its divisors is an integer number (19770609600).

Almost surely, 2^551274773753 is an apocalyptic number.

It is an amenable number.

551274773753 is a deficient number, since it is larger than the sum of its proper divisors (81384733447).

551274773753 is a wasteful number, since it uses less digits than its factorization.

551274773753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993.

The product of its digits is 21609000, while the sum is 56.

The spelling of 551274773753 in words is "five hundred fifty-one billion, two hundred seventy-four million, seven hundred seventy-three thousand, seven hundred fifty-three".