55256165 has 8 divisors (see below), whose sum is σ = 68594040. Its totient is φ = 42680512.

The previous prime is 55256153. The next prime is 55256177. The reversal of 55256165 is 56165255.

It is an interprime number because it is at equal distance from previous prime (55256153) and next prime (55256177).

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 55100929 = 394^2 + 7423^2 .

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 55256165 - 2⁸ = 55255909 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 7 ways as a sum of consecutive naturals, for example, 190394 + ... + 190683.

It is an arithmetic number, because the mean of its divisors is an integer number (8574255).

Almost surely, 2^55256165 is an apocalyptic number.

It is an amenable number.

55256165 is a deficient number, since it is larger than the sum of its proper divisors (13337875).

55256165 is a wasteful number, since it uses less digits than its factorization.

55256165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381111.

The product of its digits is 45000, while the sum is 35.

The square root of 55256165 is about 7433.4490648689. The cubic root of 55256165 is about 380.8847459453.

The spelling of 55256165 in words is "fifty-five million, two hundred fifty-six thousand, one hundred sixty-five".