55344397 has 8 divisors (see below), whose sum is σ = 59612960. Its totient is φ = 51211440.

The previous prime is 55344389. The next prime is 55344407. The reversal of 55344397 is 79344355.

It is a happy number.

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 55344397 - 2³ = 55344389 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 (55344307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33054 + ... + 34687.

It is an arithmetic number, because the mean of its divisors is an integer number (7451620).

Almost surely, 2^55344397 is an apocalyptic number.

It is an amenable number.

55344397 is a deficient number, since it is larger than the sum of its proper divisors (4268563).

55344397 is a wasteful number, since it uses less digits than its factorization.

55344397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67803.

The product of its digits is 226800, while the sum is 40.

The square root of 55344397 is about 7439.3814931081. The cubic root of 55344397 is about 381.0873679905.

The spelling of 55344397 in words is "fifty-five million, three hundred forty-four thousand, three hundred ninety-seven".