55336688 has 60 divisors (see below), whose sum is σ = 119435064. Its totient is φ = 24816000.

The previous prime is 55336651. The next prime is 55336693. The reversal of 55336688 is 88663355.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195395 + ... + 195677.

Almost surely, 2^55336688 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 55336688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59717532).

55336688 is an abundant number, since it is smaller than the sum of its proper divisors (64098376).

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

55336688 is a wasteful number, since it uses less digits than its factorization.

55336688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 397 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 55336688 is about 7438.8633540347. The cubic root of 55336688 is about 381.0696731012.

It can be divided in two parts, 5533 and 6688, that added together give a palindrome (12221).

The spelling of 55336688 in words is "fifty-five million, three hundred thirty-six thousand, six hundred eighty-eight".