55046480 has 40 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 21918848.

The previous prime is 55046479. The next prime is 55046503. The reversal of 55046480 is 8464055.

55046480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×55046480² = 6060229920780800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17681 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^55046480 is an apocalyptic number.

It is an amenable number.

55046480 is an abundant number, since it is smaller than the sum of its proper divisors (73516720).

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

55046480 is a wasteful number, since it uses less digits than its factorization.

55046480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 55046480 is about 7419.3315062747. The cubic root of 55046480 is about 380.4023439311.

The spelling of 55046480 in words is "fifty-five million, forty-six thousand, four hundred eighty".