55130448 has 40 divisors (see below), whose sum is σ = 148615488. Its totient is φ = 17577472.

The previous prime is 55130443. The next prime is 55130461. The reversal of 55130448 is 84403155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55130443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23865 + ... + 26072.

Almost surely, 2^55130448 is an apocalyptic number.

It is an amenable number.

55130448 is an abundant number, since it is smaller than the sum of its proper divisors (93485040).

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

55130448 is a wasteful number, since it uses less digits than its factorization.

55130448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49971 (or 49965 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 55130448 is about 7424.9880807985. The cubic root of 55130448 is about 380.5956678063.

The spelling of 55130448 in words is "fifty-five million, one hundred thirty thousand, four hundred forty-eight".