55238416 has 20 divisors (see below), whose sum is σ = 107439552. Its totient is φ = 27512096.

The previous prime is 55238399. The next prime is 55238419. The reversal of 55238416 is 61483255.

55238416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55238419) 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, 2356 + ... + 10771.

Almost surely, 2^55238416 is an apocalyptic number.

It is an amenable number.

55238416 is a deficient number, since it is larger than the sum of its proper divisors (52201136).

55238416 is a wasteful number, since it uses less digits than its factorization.

55238416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398 (or 13392 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 55238416 is about 7432.2551086464. The cubic root of 55238416 is about 380.8439598640.

The spelling of 55238416 in words is "fifty-five million, two hundred thirty-eight thousand, four hundred sixteen".