55073361 has 16 divisors (see below), whose sum is σ = 84196224. Its totient is φ = 31367424.

The previous prime is 55073341. The next prime is 55073363. The reversal of 55073361 is 16337055.

It is not a de Polignac number, because 55073361 - 2¹³ = 55065169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55073363) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2521 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (5262264).

Almost surely, 2^55073361 is an apocalyptic number.

It is an amenable number.

55073361 is a deficient number, since it is larger than the sum of its proper divisors (29122863).

55073361 is a wasteful number, since it uses less digits than its factorization.

55073361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 55073361 is about 7421.1428365178. The cubic root of 55073361 is about 380.4642548311.

The spelling of 55073361 in words is "fifty-five million, seventy-three thousand, three hundred sixty-one".