551220350 has 24 divisors (see below), whose sum is σ = 1027371000. Its totient is φ = 220036320.

The previous prime is 551220349. The next prime is 551220361. The reversal of 551220350 is 53022155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13904 + ... + 35996.

It is an arithmetic number, because the mean of its divisors is an integer number (42807125).

Almost surely, 2^551220350 is an apocalyptic number.

551220350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551220350 is a deficient number, since it is larger than the sum of its proper divisors (476150650).

551220350 is a wasteful number, since it uses less digits than its factorization.

551220350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604 (or 22599 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 551220350 is about 23478.0823322519. The cubic root of 551220350 is about 819.9267979468.

The spelling of 551220350 in words is "five hundred fifty-one million, two hundred twenty thousand, three hundred fifty".