55579345 has 4 divisors (see below), whose sum is σ = 66695220. Its totient is φ = 44463472.

The previous prime is 55579327. The next prime is 55579367. The reversal of 55579345 is 54397555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54397555 = 5 ⋅10879511.

It can be written as a sum of positive squares in 2 ways, for example, as 25887744 + 29691601 = 5088^2 + 5449^2 .

It is a cyclic number.

It is not a de Polignac number, because 55579345 - 2¹¹ = 55577297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557930 + ... + 5557939.

It is an arithmetic number, because the mean of its divisors is an integer number (16673805).

Almost surely, 2^55579345 is an apocalyptic number.

It is an amenable number.

55579345 is a deficient number, since it is larger than the sum of its proper divisors (11115875).

55579345 is a wasteful number, since it uses less digits than its factorization.

55579345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115874.

The product of its digits is 472500, while the sum is 43.

The square root of 55579345 is about 7455.1555986445. The cubic root of 55579345 is about 381.6258706440.

The spelling of 55579345 in words is "fifty-five million, five hundred seventy-nine thousand, three hundred forty-five".