55134200 has 96 divisors (see below), whose sum is σ = 147312000. Its totient is φ = 18979200.

The previous prime is 55134139. The next prime is 55134221. The reversal of 55134200 is 243155.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 41141 + ... + 42459.

It is an arithmetic number, because the mean of its divisors is an integer number (1534500).

Almost surely, 2^55134200 is an apocalyptic number.

55134200 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 55134200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73656000).

55134200 is an abundant number, since it is smaller than the sum of its proper divisors (92177800).

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

55134200 is a wasteful number, since it uses less digits than its factorization.

55134200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55134200 is about 7425.2407368381. The cubic root of 55134200 is about 380.6043016472.

Adding to 55134200 its reverse (243155), we get a palindrome (55377355).

The spelling of 55134200 in words is "fifty-five million, one hundred thirty-four thousand, two hundred".