55319448 has 32 divisors (see below), whose sum is σ = 138481200. Its totient is φ = 18415488.

The previous prime is 55319441. The next prime is 55319449. The reversal of 55319448 is 84491355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55319441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33490 + ... + 35102.

Almost surely, 2^55319448 is an apocalyptic number.

It is an amenable number.

55319448 is an abundant number, since it is smaller than the sum of its proper divisors (83161752).

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

55319448 is a wasteful number, since it uses less digits than its factorization.

55319448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3047 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 55319448 is about 7437.7044845839. The cubic root of 55319448 is about 381.0300952385.

The spelling of 55319448 in words is "fifty-five million, three hundred nineteen thousand, four hundred forty-eight".