55425768 has 128 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 16473600.

The previous prime is 55425767. The next prime is 55425779. The reversal of 55425768 is 86752455.

It is not an unprimeable number, because it can be changed into a prime (55425767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701553 + ... + 701631.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^55425768 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 55425768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77414400).

55425768 is an abundant number, since it is smaller than the sum of its proper divisors (99403032).

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

55425768 is a wasteful number, since it uses less digits than its factorization.

55425768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 179 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 55425768 is about 7444.8484202165. The cubic root of 55425768 is about 381.2740431670.

The spelling of 55425768 in words is "fifty-five million, four hundred twenty-five thousand, seven hundred sixty-eight".