551849140 has 12 divisors (see below), whose sum is σ = 1158883236. Its totient is φ = 220739648.

The previous prime is 551849131. The next prime is 551849201. The reversal of 551849140 is 41948155.

It can be written as a sum of positive squares in 2 ways, for example, as 65999376 + 485849764 = 8124^2 + 22042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 551849140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13796209 + ... + 13796248.

It is an arithmetic number, because the mean of its divisors is an integer number (96573603).

Almost surely, 2^551849140 is an apocalyptic number.

It is an amenable number.

551849140 is an abundant number, since it is smaller than the sum of its proper divisors (607034096).

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

551849140 is a wasteful number, since it uses less digits than its factorization.

551849140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27592466 (or 27592464 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 551849140 is about 23491.4695155497. The cubic root of 551849140 is about 820.2384493930.

The spelling of 551849140 in words is "five hundred fifty-one million, eight hundred forty-nine thousand, one hundred forty".