55345673 has 4 divisors (see below), whose sum is σ = 56841540. Its totient is φ = 53849808.

The previous prime is 55345669. The next prime is 55345723. The reversal of 55345673 is 37654355.

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 53699584 + 1646089 = 7328^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 55345673 - 2² = 55345669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55345973) 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, 747878 + ... + 747951.

It is an arithmetic number, because the mean of its divisors is an integer number (14210385).

Almost surely, 2^55345673 is an apocalyptic number.

It is an amenable number.

55345673 is a deficient number, since it is larger than the sum of its proper divisors (1495867).

55345673 is a wasteful number, since it uses less digits than its factorization.

55345673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495866.

The product of its digits is 189000, while the sum is 38.

The square root of 55345673 is about 7439.4672524315. The cubic root of 55345673 is about 381.0902967046.

The spelling of 55345673 in words is "fifty-five million, three hundred forty-five thousand, six hundred seventy-three".