55480938 has 16 divisors (see below), whose sum is σ = 111539136. Its totient is φ = 18397440.

The previous prime is 55480933. The next prime is 55480939. The reversal of 55480938 is 83908455.

55480938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55480938³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55480938.

It is not an unprimeable number, because it can be changed into a prime (55480933) by changing a digit.

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, 22798 + ... + 25113.

It is an arithmetic number, because the mean of its divisors is an integer number (6971196).

Almost surely, 2^55480938 is an apocalyptic number.

55480938 is an abundant number, since it is smaller than the sum of its proper divisors (56058198).

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

55480938 is a wasteful number, since it uses less digits than its factorization.

55480938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48109.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 55480938 is about 7448.5527453325. The cubic root of 55480938 is about 381.4005060879.

The spelling of 55480938 in words is "fifty-five million, four hundred eighty thousand, nine hundred thirty-eight".