55071164 has 12 divisors (see below), whose sum is σ = 97536264. Its totient is φ = 27203664.

The previous prime is 55071161. The next prime is 55071167. The reversal of 55071164 is 46117055.

It is an interprime number because it is at equal distance from previous prime (55071161) and next prime (55071167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55071161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82607 + ... + 83270.

It is an arithmetic number, because the mean of its divisors is an integer number (8128022).

Almost surely, 2^55071164 is an apocalyptic number.

It is an amenable number.

55071164 is a deficient number, since it is larger than the sum of its proper divisors (42465100).

55071164 is a wasteful number, since it uses less digits than its factorization.

55071164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165964 (or 165962 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 55071164 is about 7420.9948120181. The cubic root of 55071164 is about 380.4591955728.

The spelling of 55071164 in words is "fifty-five million, seventy-one thousand, one hundred sixty-four".