55336520 has 32 divisors (see below), whose sum is σ = 125176320. Its totient is φ = 22015680.

The previous prime is 55336499. The next prime is 55336529. The reversal of 55336520 is 2563355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55336529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4019 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (3911760).

Almost surely, 2^55336520 is an apocalyptic number.

It is an amenable number.

55336520 is an abundant number, since it is smaller than the sum of its proper divisors (69839800).

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

55336520 is a wasteful number, since it uses less digits than its factorization.

55336520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7445 (or 7441 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 55336520 is about 7438.8520619784. The cubic root of 55336520 is about 381.0692874634.

Adding to 55336520 its reverse (2563355), we get a palindrome (57899875).

It can be divided in two parts, 553 and 36520, that added together give a palindrome (37073).

The spelling of 55336520 in words is "fifty-five million, three hundred thirty-six thousand, five hundred twenty".