551503255 has 12 divisors (see below), whose sum is σ = 664928712. Its totient is φ = 439129040.

The previous prime is 551503243. The next prime is 551503301. The reversal of 551503255 is 552305155.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-551503255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284640 + ... + 286570.

It is an arithmetic number, because the mean of its divisors is an integer number (55410726).

Almost surely, 2^551503255 is an apocalyptic number.

551503255 is a deficient number, since it is larger than the sum of its proper divisors (113425457).

551503255 is an equidigital number, since it uses as much as digits as its factorization.

551503255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 551503255 is about 23484.1064339268. The cubic root of 551503255 is about 820.0670453806.

The spelling of 551503255 in words is "five hundred fifty-one million, five hundred three thousand, two hundred fifty-five".