55302171 has 16 divisors (see below), whose sum is σ = 77890560. Its totient is φ = 34846560.

The previous prime is 55302167. The next prime is 55302187. The reversal of 55302171 is 17120355.

It is not a de Polignac number, because 55302171 - 2² = 55302167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55302271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (4868160).

Almost surely, 2^55302171 is an apocalyptic number.

55302171 is a deficient number, since it is larger than the sum of its proper divisors (22588389).

55302171 is a wasteful number, since it uses less digits than its factorization.

55302171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 55302171 is about 7436.5429468268. The cubic root of 55302171 is about 380.9904241846.

The spelling of 55302171 in words is "fifty-five million, three hundred two thousand, one hundred seventy-one".