551255190 has 16 divisors (see below), whose sum is σ = 1323012528. Its totient is φ = 147001376.

The previous prime is 551255161. The next prime is 551255213. The reversal of 551255190 is 91552155.

It is a super-2 number, since 2×551255190² = 607764569003872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9187557 + ... + 9187616.

It is an arithmetic number, because the mean of its divisors is an integer number (82688283).

Almost surely, 2^551255190 is an apocalyptic number.

551255190 is an abundant number, since it is smaller than the sum of its proper divisors (771757338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551255190 is a wasteful number, since it uses less digits than its factorization.

551255190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18375183.

The product of its (nonzero) digits is 11250, while the sum is 33.

The square root of 551255190 is about 23478.8242891334. The cubic root of 551255190 is about 819.9440721324.

The spelling of 551255190 in words is "five hundred fifty-one million, two hundred fifty-five thousand, one hundred ninety".