550305280257 has 32 divisors (see below), whose sum is σ = 785222421120. Its totient is φ = 341775313920.

The previous prime is 550305280253. The next prime is 550305280289. The reversal of 550305280257 is 752082503055.

It is a happy number.

It is not a de Polignac number, because 550305280257 - 2² = 550305280253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550305280253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15061503 + ... + 15097995.

It is an arithmetic number, because the mean of its divisors is an integer number (24538200660).

Almost surely, 2^550305280257 is an apocalyptic number.

550305280257 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

550305280257 is a deficient number, since it is larger than the sum of its proper divisors (234917140863).

550305280257 is a wasteful number, since it uses less digits than its factorization.

550305280257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40913.

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 550305280257 in words is "five hundred fifty billion, three hundred five million, two hundred eighty thousand, two hundred fifty-seven".