55342600 has 96 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 20683520.

The previous prime is 55342597. The next prime is 55342607. The reversal of 55342600 is 624355.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55342607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243687 + ... + 243913.

It is an arithmetic number, because the mean of its divisors is an integer number (1431270).

Almost surely, 2^55342600 is an apocalyptic number.

55342600 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 55342600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68700960).

55342600 is an abundant number, since it is smaller than the sum of its proper divisors (82059320).

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

55342600 is a wasteful number, since it uses less digits than its factorization.

55342600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55342600 is about 7439.2607159583. The cubic root of 55342600 is about 381.0832433850.

Adding to 55342600 its reverse (624355), we get a palindrome (55966955).

The spelling of 55342600 in words is "fifty-five million, three hundred forty-two thousand, six hundred".