55165064 has 16 divisors (see below), whose sum is σ = 104502300. Its totient is φ = 27297792.

The previous prime is 55165021. The next prime is 55165067. The reversal of 55165064 is 46056155.

It can be written as a sum of positive squares in 2 ways, for example, as 46812964 + 8352100 = 6842^2 + 2890^2 .

It is a super-2 number, since 2×55165064² = 6086368572248192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55165064.

It is not an unprimeable number, because it can be changed into a prime (55165067) 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, 34769 + ... + 36320.

Almost surely, 2^55165064 is an apocalyptic number.

It is an amenable number.

55165064 is a deficient number, since it is larger than the sum of its proper divisors (49337236).

55165064 is a wasteful number, since it uses less digits than its factorization.

55165064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71192 (or 71188 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55165064 is about 7427.3187625145. The cubic root of 55165064 is about 380.6753088737.

The spelling of 55165064 in words is "fifty-five million, one hundred sixty-five thousand, sixty-four".