55888817 has 4 divisors (see below), whose sum is σ = 55924596. Its totient is φ = 55853040.

The previous prime is 55888757. The next prime is 55888853. The reversal of 55888817 is 71888855.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12117361 + 43771456 = 3481^2 + 6616^2 .

It is a cyclic number.

It is not a de Polignac number, because 55888817 - 2²⁴ = 39111601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55888717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15434 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (13981149).

Almost surely, 2^55888817 is an apocalyptic number.

It is an amenable number.

55888817 is a deficient number, since it is larger than the sum of its proper divisors (35779).

55888817 is a wasteful number, since it uses less digits than its factorization.

55888817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35778.

The product of its digits is 716800, while the sum is 50.

The square root of 55888817 is about 7475.8823559497. The cubic root of 55888817 is about 382.3328718650.

The spelling of 55888817 in words is "fifty-five million, eight hundred eighty-eight thousand, eight hundred seventeen".