551343960 has 96 divisors (see below), whose sum is σ = 1798327440. Its totient is φ = 146495232.

The previous prime is 551343953. The next prime is 551343977. The reversal of 551343960 is 69343155.

551343960 is a `hidden beast` number, since 551 + 3 + 43 + 9 + 60 = 666.

551343960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102867 + ... + 108093.

Almost surely, 2^551343960 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 551343960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899163720).

551343960 is an abundant number, since it is smaller than the sum of its proper divisors (1246983480).

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

551343960 is a wasteful number, since it uses less digits than its factorization.

551343960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 551343960 is about 23480.7146398912. The cubic root of 551343960 is about 819.9880823174.

The spelling of 551343960 in words is "five hundred fifty-one million, three hundred forty-three thousand, nine hundred sixty".