55840968 has 64 divisors (see below), whose sum is σ = 155736000. Its totient is φ = 18539136.

The previous prime is 55840933. The next prime is 55840969. The reversal of 55840968 is 86904855.

55840968 is a `hidden beast` number, since 5 + 584 + 0 + 9 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (55840969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90196 + ... + 90812.

It is an arithmetic number, because the mean of its divisors is an integer number (2433375).

Almost surely, 2^55840968 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 55840968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77868000).

55840968 is an abundant number, since it is smaller than the sum of its proper divisors (99895032).

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

55840968 is a wasteful number, since it uses less digits than its factorization.

55840968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 55840968 is about 7472.6814464421. The cubic root of 55840968 is about 382.2237297629.

The spelling of 55840968 in words is "fifty-five million, eight hundred forty thousand, nine hundred sixty-eight".