54622222645 has 4 divisors (see below), whose sum is σ = 65546667180. Its totient is φ = 43697778112.

The previous prime is 54622222639. The next prime is 54622222649.

54622222645 is nontrivially palindromic in base 10.

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 34259788836 + 20362433809 = 185094^2 + 142697^2 .

It is a cyclic number.

It is not a de Polignac number, because 54622222645 - 2¹⁵ = 54622189877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54622222598 and 54622222607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54622222649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462222260 + ... + 5462222269.

It is an arithmetic number, because the mean of its divisors is an integer number (16386666795).

Almost surely, 2^54622222645 is an apocalyptic number.

It is an amenable number.

54622222645 is a deficient number, since it is larger than the sum of its proper divisors (10924444535).

54622222645 is a wasteful number, since it uses less digits than its factorization.

54622222645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924444534.

The product of its digits is 460800, while the sum is 40.

The spelling of 54622222645 in words is "fifty-four billion, six hundred twenty-two million, two hundred twenty-two thousand, six hundred forty-five".