55165039 has 8 divisors (see below), whose sum is σ = 56881440. Its totient is φ = 53460576.

The previous prime is 55165021. The next prime is 55165067. The reversal of 55165039 is 93056155.

55165039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55165039 - 2¹⁵ = 55132271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55164995 and 55165013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55165079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6897 + ... + 12565.

It is an arithmetic number, because the mean of its divisors is an integer number (7110180).

Almost surely, 2^55165039 is an apocalyptic number.

55165039 is a deficient number, since it is larger than the sum of its proper divisors (1716401).

55165039 is a wasteful number, since it uses less digits than its factorization.

55165039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 55165039 is about 7427.3170795382. The cubic root of 55165039 is about 380.6752513681.

The spelling of 55165039 in words is "fifty-five million, one hundred sixty-five thousand, thirty-nine".