55424788 has 12 divisors (see below), whose sum is σ = 97305460. Its totient is φ = 27623232.

The previous prime is 55424753. The next prime is 55424813. The reversal of 55424788 is 88742455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26501904 + 28922884 = 5148^2 + 5378^2 .

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, 20883 + ... + 23386.

Almost surely, 2^55424788 is an apocalyptic number.

It is an amenable number.

55424788 is a deficient number, since it is larger than the sum of its proper divisors (41880672).

55424788 is a wasteful number, since it uses less digits than its factorization.

55424788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44586 (or 44584 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 55424788 is about 7444.7826026016. The cubic root of 55424788 is about 381.2717960127.

The spelling of 55424788 in words is "fifty-five million, four hundred twenty-four thousand, seven hundred eighty-eight".