55238424 has 16 divisors (see below), whose sum is σ = 138096120. Its totient is φ = 18412800.

The previous prime is 55238419. The next prime is 55238431. The reversal of 55238424 is 42483255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150777 + ... + 1150824.

Almost surely, 2^55238424 is an apocalyptic number.

It is an amenable number.

55238424 is an abundant number, since it is smaller than the sum of its proper divisors (82857696).

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

55238424 is a wasteful number, since it uses less digits than its factorization.

55238424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301610 (or 2301606 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 55238424 is about 7432.2556468410. The cubic root of 55238424 is about 380.8439782494.

The spelling of 55238424 in words is "fifty-five million, two hundred thirty-eight thousand, four hundred twenty-four".