55333124 has 96 divisors (see below), whose sum is σ = 128894976. Its totient is φ = 20148480.

The previous prime is 55333123. The next prime is 55333127. The reversal of 55333124 is 42133355.

It is a super-2 number, since 2×55333124² = 6123509223198752, which contains 22 as substring.

Its product of digits (5400) is a multiple of the sum of its prime factors (225).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 55333093 and 55333102.

It is not an unprimeable number, because it can be changed into a prime (55333123) 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, 517079 + ... + 517185.

It is an arithmetic number, because the mean of its divisors is an integer number (1342656).

Almost surely, 2^55333124 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 55333124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64447488).

55333124 is an abundant number, since it is smaller than the sum of its proper divisors (73561852).

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

55333124 is a wasteful number, since it uses less digits than its factorization.

55333124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 55333124 is about 7438.6237974507. The cubic root of 55333124 is about 381.0614919016.

Adding to 55333124 its reverse (42133355), we get a palindrome (97466479).

It can be divided in two parts, 553331 and 24, that added together give a palindrome (553355).

The spelling of 55333124 in words is "fifty-five million, three hundred thirty-three thousand, one hundred twenty-four".