551734736 has 80 divisors (see below), whose sum is σ = 1249443840. Its totient is φ = 231154560.

The previous prime is 551734727. The next prime is 551734751. The reversal of 551734736 is 637437155.

It is a happy number.

It is a super-2 number, since 2×551734736² = 608822437817979392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551734693 and 551734702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123451 + ... + 1123941.

It is an arithmetic number, because the mean of its divisors is an integer number (15618048).

Almost surely, 2^551734736 is an apocalyptic number.

551734736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551734736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624721920).

551734736 is an abundant number, since it is smaller than the sum of its proper divisors (697709104).

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

551734736 is a wasteful number, since it uses less digits than its factorization.

551734736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 706 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 551734736 is about 23489.0343777687. The cubic root of 551734736 is about 820.1817641880.

The spelling of 551734736 in words is "five hundred fifty-one million, seven hundred thirty-four thousand, seven hundred thirty-six".