550737121 has 8 divisors (see below), whose sum is σ = 608043744. Its totient is φ = 494637120.

The previous prime is 550737107. The next prime is 550737167. The reversal of 550737121 is 121737055.

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

It is a cyclic number.

It is not a de Polignac number, because 550737121 - 2⁷ = 550736993 is a prime.

It is a super-2 number, since 2×550737121² = 606622752894737282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550737101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300696 + ... + 302521.

It is an arithmetic number, because the mean of its divisors is an integer number (76005468).

Almost surely, 2^550737121 is an apocalyptic number.

It is an amenable number.

550737121 is a deficient number, since it is larger than the sum of its proper divisors (57306623).

550737121 is a wasteful number, since it uses less digits than its factorization.

550737121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603311.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 550737121 is about 23467.7890096191. The cubic root of 550737121 is about 819.6871307893.

The spelling of 550737121 in words is "five hundred fifty million, seven hundred thirty-seven thousand, one hundred twenty-one".