55395384 has 64 divisors (see below), whose sum is σ = 159978240. Its totient is φ = 15797760.

The previous prime is 55395383. The next prime is 55395391. The reversal of 55395384 is 48359355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55395383) 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 15 ways as a sum of consecutive naturals, for example, 1684 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (2499660).

Almost surely, 2^55395384 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 55395384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79989120).

55395384 is an abundant number, since it is smaller than the sum of its proper divisors (104582856).

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

55395384 is a wasteful number, since it uses less digits than its factorization.

55395384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12380 (or 12376 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 55395384 is about 7442.8075347949. The cubic root of 55395384 is about 381.2043598864.

The spelling of 55395384 in words is "fifty-five million, three hundred ninety-five thousand, three hundred eighty-four".