550451251 has 18 divisors (see below), whose sum is σ = 651205620. Its totient is φ = 463926960.

The previous prime is 550451207. The next prime is 550451267. The reversal of 550451251 is 152154055.

It is not a de Polignac number, because 550451251 - 2¹⁹ = 549926963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550451851) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 180820 + ... + 183838.

It is an arithmetic number, because the mean of its divisors is an integer number (36178090).

Almost surely, 2^550451251 is an apocalyptic number.

550451251 is a deficient number, since it is larger than the sum of its proper divisors (100754369).

550451251 is an equidigital number, since it uses as much as digits as its factorization.

550451251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 550451251 is about 23461.6975302300. The cubic root of 550451251 is about 819.5452817981.

The spelling of 550451251 in words is "five hundred fifty million, four hundred fifty-one thousand, two hundred fifty-one".