55346817 has 4 divisors (see below), whose sum is σ = 73795760. Its totient is φ = 36897876.

The previous prime is 55346773. The next prime is 55346831. The reversal of 55346817 is 71864355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55346817 - 2¹⁹ = 54822529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55346887) 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, 9224467 + ... + 9224472.

It is an arithmetic number, because the mean of its divisors is an integer number (18448940).

Almost surely, 2^55346817 is an apocalyptic number.

It is an amenable number.

55346817 is a deficient number, since it is larger than the sum of its proper divisors (18448943).

55346817 is a wasteful number, since it uses less digits than its factorization.

55346817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18448942.

The product of its digits is 100800, while the sum is 39.

The square root of 55346817 is about 7439.5441392601. The cubic root of 55346817 is about 381.0929224100.

The spelling of 55346817 in words is "fifty-five million, three hundred forty-six thousand, eight hundred seventeen".