55322045 has 4 divisors (see below), whose sum is σ = 66386460. Its totient is φ = 44257632.

The previous prime is 55322027. The next prime is 55322051. The reversal of 55322045 is 54022355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54022355 = 5 ⋅10804471.

It can be written as a sum of positive squares in 2 ways, for example, as 6280036 + 49042009 = 2506^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 55322045 - 2¹⁴ = 55305661 is a prime.

It is a congruent number.

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, 5532200 + ... + 5532209.

It is an arithmetic number, because the mean of its divisors is an integer number (16596615).

Almost surely, 2^55322045 is an apocalyptic number.

It is an amenable number.

55322045 is a deficient number, since it is larger than the sum of its proper divisors (11064415).

55322045 is a wasteful number, since it uses less digits than its factorization.

55322045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064414.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55322045 is about 7437.8790659704. The cubic root of 55322045 is about 381.0360576966.

The spelling of 55322045 in words is "fifty-five million, three hundred twenty-two thousand, forty-five".