55236424 has 32 divisors (see below), whose sum is σ = 106619040. Its totient is φ = 26812800.

The previous prime is 55236413. The next prime is 55236427. The reversal of 55236424 is 42463255.

55236424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55236427) 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 7 ways as a sum of consecutive naturals, for example, 72204 + ... + 72964.

It is an arithmetic number, because the mean of its divisors is an integer number (3331845).

Almost surely, 2^55236424 is an apocalyptic number.

It is an amenable number.

55236424 is a deficient number, since it is larger than the sum of its proper divisors (51382616).

55236424 is a wasteful number, since it uses less digits than its factorization.

55236424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1017 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 55236424 is about 7432.1210969682. The cubic root of 55236424 is about 380.8393818285.

Adding to 55236424 its reverse (42463255), we get a palindrome (97699679).

The spelling of 55236424 in words is "fifty-five million, two hundred thirty-six thousand, four hundred twenty-four".