551468736 has 420 divisors, whose sum is σ = 2060161488. Its totient is φ = 144571392.

The previous prime is 551468689. The next prime is 551468767. The reversal of 551468736 is 637864155.

551468736 is a `hidden beast` number, since 5 + 514 + 68 + 73 + 6 = 666.

551468736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (604800) is a multiple of the sum of its prime divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 551468691 and 551468700.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3302125 + ... + 3302291.

Almost surely, 2^551468736 is an apocalyptic number.

551468736 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 551468736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030080744).

551468736 is an abundant number, since it is smaller than the sum of its proper divisors (1508692752).

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

551468736 is a wasteful number, since it uses less digits than its factorization.

551468736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 192 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 551468736 is about 23483.3714785590. The cubic root of 551468736 is about 820.0499354877.

The spelling of 551468736 in words is "five hundred fifty-one million, four hundred sixty-eight thousand, seven hundred thirty-six".