55965423 has 16 divisors (see below), whose sum is σ = 76858496. Its totient is φ = 36197280.

The previous prime is 55965421. The next prime is 55965449. The reversal of 55965423 is 32456955.

It is not a de Polignac number, because 55965423 - 2¹ = 55965421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55965421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62940 + ... + 63822.

It is an arithmetic number, because the mean of its divisors is an integer number (4803656).

Almost surely, 2^55965423 is an apocalyptic number.

55965423 is a deficient number, since it is larger than the sum of its proper divisors (20893073).

55965423 is a wasteful number, since it uses less digits than its factorization.

55965423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its digits is 162000, while the sum is 39.

The square root of 55965423 is about 7481.0041438299. The cubic root of 55965423 is about 382.5074781741.

The spelling of 55965423 in words is "fifty-five million, nine hundred sixty-five thousand, four hundred twenty-three".