55650165 has 16 divisors (see below), whose sum is σ = 89875008. Its totient is φ = 29401856.

The previous prime is 55650149. The next prime is 55650181. The reversal of 55650165 is 56105655.

It is an interprime number because it is at equal distance from previous prime (55650149) and next prime (55650181).

It is a cyclic number.

It is not a de Polignac number, because 55650165 - 2⁴ = 55650149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15732 + ... + 18941.

It is an arithmetic number, because the mean of its divisors is an integer number (5617188).

Almost surely, 2^55650165 is an apocalyptic number.

It is an amenable number.

55650165 is a deficient number, since it is larger than the sum of its proper divisors (34224843).

55650165 is a wasteful number, since it uses less digits than its factorization.

55650165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34788.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55650165 is about 7459.9038197553. The cubic root of 55650165 is about 381.7878929024.

It can be divided in two parts, 556 and 50165, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 55650165 in words is "fifty-five million, six hundred fifty thousand, one hundred sixty-five".