55073152 has 16 divisors (see below), whose sum is σ = 109716300. Its totient is φ = 27536512.

The previous prime is 55073141. The next prime is 55073167. The reversal of 55073152 is 25137055.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 55073152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215002 + ... + 215257.

Almost surely, 2^55073152 is an apocalyptic number.

It is an amenable number.

55073152 is a deficient number, since it is larger than the sum of its proper divisors (54643148).

55073152 is an equidigital number, since it uses as much as digits as its factorization.

55073152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430273 (or 430261 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55073152 is about 7421.1287551154. The cubic root of 55073152 is about 380.4637735511.

It can be divided in two parts, 55073 and 152, that added together give a square (55225 = 235²).

The spelling of 55073152 in words is "fifty-five million, seventy-three thousand, one hundred fifty-two".