55336512 has 224 divisors, whose sum is σ = 193121280. Its totient is φ = 13547520.

The previous prime is 55336499. The next prime is 55336529. The reversal of 55336512 is 21563355.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×55336512² = 6124259120652288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55336512.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 280798 + ... + 280994.

Almost surely, 2^55336512 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 55336512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96560640).

55336512 is an abundant number, since it is smaller than the sum of its proper divisors (137784768).

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

55336512 is a wasteful number, since it uses less digits than its factorization.

55336512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 239 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 55336512 is about 7438.8515242610. The cubic root of 55336512 is about 381.0692690996.

Adding to 55336512 its reverse (21563355), we get a palindrome (76899867).

The spelling of 55336512 in words is "fifty-five million, three hundred thirty-six thousand, five hundred twelve".