55000134 has 112 divisors (see below), whose sum is σ = 150151968. Its totient is φ = 14743296.

The previous prime is 55000129. The next prime is 55000163. The reversal of 55000134 is 43100055.

55000134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 173344 + ... + 173660.

Almost surely, 2^55000134 is an apocalyptic number.

55000134 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55000134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75075984).

55000134 is an abundant number, since it is smaller than the sum of its proper divisors (95151834).

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

55000134 is a wasteful number, since it uses less digits than its factorization.

55000134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 55000134 is about 7416.2075213683. The cubic root of 55000134 is about 380.2955549217.

Adding to 55000134 its reverse (43100055), we get a palindrome (98100189).

The spelling of 55000134 in words is "fifty-five million, one hundred thirty-four", and thus it is an aban number.