551061156 has 48 divisors (see below), whose sum is σ = 1322350848. Its totient is φ = 178502400.

The previous prime is 551061139. The next prime is 551061157. The reversal of 551061156 is 651160155.

It is not an unprimeable number, because it can be changed into a prime (551061157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131266 + ... + 135398.

It is an arithmetic number, because the mean of its divisors is an integer number (27548976).

Almost surely, 2^551061156 is an apocalyptic number.

It is an amenable number.

551061156 is an abundant number, since it is smaller than the sum of its proper divisors (771289692).

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

551061156 is a wasteful number, since it uses less digits than its factorization.

551061156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452 (or 4450 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 551061156 is about 23474.6918190634. The cubic root of 551061156 is about 819.8478579523.

It can be divided in two parts, 5510 and 61156, that added together give a palindrome (66666).

The spelling of 551061156 in words is "five hundred fifty-one million, sixty-one thousand, one hundred fifty-six".