55330050 has 48 divisors (see below), whose sum is σ = 139491072. Its totient is φ = 14510400.

The previous prime is 55330049. The next prime is 55330063. The reversal of 55330050 is 5003355.

It is a super-2 number, since 2×55330050² = 6122828866005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55329999 and 55330026.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6127 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (2906064).

Almost surely, 2^55330050 is an apocalyptic number.

55330050 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 55330050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69745536).

55330050 is an abundant number, since it is smaller than the sum of its proper divisors (84161022).

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

55330050 is a wasteful number, since it uses less digits than its factorization.

55330050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123 (or 6118 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 55330050 is about 7438.4171703394. The cubic root of 55330050 is about 381.0544352200.

It can be divided in two parts, 553 and 30050, that added together give a palindrome (30603).

The spelling of 55330050 in words is "fifty-five million, three hundred thirty thousand, fifty".