55342000 has 160 divisors (see below), whose sum is σ = 157847040. Its totient is φ = 18374400.

The previous prime is 55341997. The next prime is 55342009. The reversal of 55342000 is 24355.

It is a happy number.

55342000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55342009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 825967 + ... + 826033.

It is an arithmetic number, because the mean of its divisors is an integer number (986544).

Almost surely, 2^55342000 is an apocalyptic number.

55342000 is a gapful number since it is divisible by the number (50) 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 55342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78923520).

55342000 is an abundant number, since it is smaller than the sum of its proper divisors (102505040).

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

55342000 is a wasteful number, since it uses less digits than its factorization.

55342000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55342000 is about 7439.2203892612. The cubic root of 55342000 is about 381.0818662014.

Adding to 55342000 its reverse (24355), we get a palindrome (55366355).

The spelling of 55342000 in words is "fifty-five million, three hundred forty-two thousand".