54344222021 has 4 divisors (see below), whose sum is σ = 55500482112. Its totient is φ = 53187961932.

The previous prime is 54344221969. The next prime is 54344222033. The reversal of 54344222021 is 12022244345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12022244345 = 5 ⋅2404448869.

It is a cyclic number.

It is not a de Polignac number, because 54344222021 - 2²² = 54340027717 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 (54344222041) 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, 578129975 + ... + 578130068.

It is an arithmetic number, because the mean of its divisors is an integer number (13875120528).

Almost surely, 2^54344222021 is an apocalyptic number.

It is an amenable number.

54344222021 is a deficient number, since it is larger than the sum of its proper divisors (1156260091).

54344222021 is a wasteful number, since it uses less digits than its factorization.

54344222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156260090.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 54344222021 its reverse (12022244345), we get a palindrome (66366466366).

The spelling of 54344222021 in words is "fifty-four billion, three hundred forty-four million, two hundred twenty-two thousand, twenty-one".