55065316 has 18 divisors (see below), whose sum is σ = 99807890. Its totient is φ = 26581632.

The previous prime is 55065313. The next prime is 55065319. The reversal of 55065316 is 61356055.

It is an interprime number because it is at equal distance from previous prime (55065313) and next prime (55065319).

It can be written as a sum of positive squares in 3 ways, for example, as 5503716 + 49561600 = 2346^2 + 7040^2 .

It is not an unprimeable number, because it can be changed into a prime (55065313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4821 + ... + 11548.

Almost surely, 2^55065316 is an apocalyptic number.

It is an amenable number.

55065316 is a deficient number, since it is larger than the sum of its proper divisors (44742574).

55065316 is a wasteful number, since it uses less digits than its factorization.

55065316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431 (or 16400 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55065316 is about 7420.6007843031. The cubic root of 55065316 is about 380.4457281246.

The spelling of 55065316 in words is "fifty-five million, sixty-five thousand, three hundred sixteen".