55480672 has 36 divisors (see below), whose sum is σ = 118287540. Its totient is φ = 25603968.

The previous prime is 55480661. The next prime is 55480681. The reversal of 55480672 is 27608455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 279 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (3285765).

Almost surely, 2^55480672 is an apocalyptic number.

55480672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55480672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59143770).

55480672 is an abundant number, since it is smaller than the sum of its proper divisors (62806868).

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

55480672 is a wasteful number, since it uses less digits than its factorization.

55480672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10295 (or 10274 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55480672 is about 7448.5348894934. The cubic root of 55480672 is about 381.3998965531.

The spelling of 55480672 in words is "fifty-five million, four hundred eighty thousand, six hundred seventy-two".