55485272 has 16 divisors (see below), whose sum is σ = 104443560. Its totient is φ = 27633664.

The previous prime is 55485233. The next prime is 55485277. The reversal of 55485272 is 27258455.

55485272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55485277) 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 3 ways as a sum of consecutive naturals, for example, 11438 + ... + 15549.

Almost surely, 2^55485272 is an apocalyptic number.

It is an amenable number.

55485272 is a deficient number, since it is larger than the sum of its proper divisors (48958288).

55485272 is a wasteful number, since it uses less digits than its factorization.

55485272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250 (or 27246 counting only the distinct ones).

The product of its digits is 112000, while the sum is 38.

The square root of 55485272 is about 7448.8436686509. The cubic root of 55485272 is about 381.4104371070.

The spelling of 55485272 in words is "fifty-five million, four hundred eighty-five thousand, two hundred seventy-two".