55501424 has 20 divisors (see below), whose sum is σ = 117310200. Its totient is φ = 25227840.

The previous prime is 55501423. The next prime is 55501427. The reversal of 55501424 is 42410555.

55501424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55501393 and 55501402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157499 + ... + 157850.

It is an arithmetic number, because the mean of its divisors is an integer number (5865510).

Almost surely, 2^55501424 is an apocalyptic number.

It is an amenable number.

55501424 is an abundant number, since it is smaller than the sum of its proper divisors (61808776).

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

55501424 is a wasteful number, since it uses less digits than its factorization.

55501424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315368 (or 315362 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 55501424 is about 7449.9277848849. The cubic root of 55501424 is about 381.4474435862.

Adding to 55501424 its reverse (42410555), we get a palindrome (97911979).

The spelling of 55501424 in words is "fifty-five million, five hundred one thousand, four hundred twenty-four".