55194132 has 48 divisors (see below), whose sum is σ = 149217152. Its totient is φ = 15552000.

The previous prime is 55194127. The next prime is 55194137. The reversal of 55194132 is 23149155.

It is an interprime number because it is at equal distance from previous prime (55194127) and next prime (55194137).

It is a self number, because there is not a number n which added to its sum of digits gives 55194132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55194137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632 + ... + 10632.

Almost surely, 2^55194132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55194132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74608576).

55194132 is an abundant number, since it is smaller than the sum of its proper divisors (94023020).

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

55194132 is a wasteful number, since it uses less digits than its factorization.

55194132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088 (or 9086 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 55194132 is about 7429.2753347820. The cubic root of 55194132 is about 380.7421599208.

The spelling of 55194132 in words is "fifty-five million, one hundred ninety-four thousand, one hundred thirty-two".