55159350 has 48 divisors (see below), whose sum is σ = 140147280. Its totient is φ = 14348800.

The previous prime is 55159343. The next prime is 55159361. The reversal of 55159350 is 5395155.

55159350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 1666 + ... + 10634.

It is an arithmetic number, because the mean of its divisors is an integer number (2919735).

Almost surely, 2^55159350 is an apocalyptic number.

55159350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55159350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70073640).

55159350 is an abundant number, since it is smaller than the sum of its proper divisors (84987930).

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

55159350 is a wasteful number, since it uses less digits than its factorization.

55159350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025 (or 9020 counting only the distinct ones).

The product of its (nonzero) digits is 16875, while the sum is 33.

The square root of 55159350 is about 7426.9340915347. The cubic root of 55159350 is about 380.6621649642.

The spelling of 55159350 in words is "fifty-five million, one hundred fifty-nine thousand, three hundred fifty".