55134366 has 64 divisors (see below), whose sum is σ = 137106432. Its totient is φ = 14418432.

The previous prime is 55134361. The next prime is 55134389. The reversal of 55134366 is 66343155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55134361) 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, 25375 + ... + 27461.

It is an arithmetic number, because the mean of its divisors is an integer number (2142288).

Almost surely, 2^55134366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55134366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68553216).

55134366 is an abundant number, since it is smaller than the sum of its proper divisors (81972066).

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

55134366 is a wasteful number, since it uses less digits than its factorization.

55134366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its digits is 32400, while the sum is 33.

The square root of 55134366 is about 7425.2519149184. The cubic root of 55134366 is about 380.6046836258.

It can be divided in two parts, 55 and 134366, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 55134366 in words is "fifty-five million, one hundred thirty-four thousand, three hundred sixty-six".