55294480 has 20 divisors (see below), whose sum is σ = 128559852. Its totient is φ = 22117760.

The previous prime is 55294471. The next prime is 55294537. The reversal of 55294480 is 8449255.

It can be written as a sum of positive squares in 2 ways, for example, as 27920656 + 27373824 = 5284^2 + 5232^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 345511 + ... + 345670.

Almost surely, 2^55294480 is an apocalyptic number.

It is an amenable number.

55294480 is an abundant number, since it is smaller than the sum of its proper divisors (73265372).

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

55294480 is a wasteful number, since it uses less digits than its factorization.

55294480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691194 (or 691188 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 55294480 is about 7436.0258202887. The cubic root of 55294480 is about 380.9727616279.

The spelling of 55294480 in words is "fifty-five million, two hundred ninety-four thousand, four hundred eighty".