551260736 has 56 divisors (see below), whose sum is σ = 1193109120. Its totient is φ = 251177472.

The previous prime is 551260733. The next prime is 551260753. The reversal of 551260736 is 637062155.

It is a junction number, because it is equal to n+sod(n) for n = 551260696 and 551260705.

It is not an unprimeable number, because it can be changed into a prime (551260733) 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 7 ways as a sum of consecutive naturals, for example, 61535 + ... + 69921.

It is an arithmetic number, because the mean of its divisors is an integer number (21305520).

Almost surely, 2^551260736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551260736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596554560).

551260736 is an abundant number, since it is smaller than the sum of its proper divisors (641848384).

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

551260736 is a wasteful number, since it uses less digits than its factorization.

551260736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491 (or 8481 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 551260736 is about 23478.9423952613. The cubic root of 551260736 is about 819.9468218538.

The spelling of 551260736 in words is "five hundred fifty-one million, two hundred sixty thousand, seven hundred thirty-six".