54344421 has 12 divisors (see below), whose sum is σ = 78579072. Its totient is φ = 36191976.

The previous prime is 54344419. The next prime is 54344429. The reversal of 54344421 is 12444345.

It is a happy number.

It is not a de Polignac number, because 54344421 - 2¹ = 54344419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54344429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8140 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (6548256).

Almost surely, 2^54344421 is an apocalyptic number.

It is an amenable number.

54344421 is a deficient number, since it is larger than the sum of its proper divisors (24234651).

54344421 is a wasteful number, since it uses less digits than its factorization.

54344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280 (or 6277 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 54344421 is about 7371.8668598938. The cubic root of 54344421 is about 378.7782111457.

Adding to 54344421 its reverse (12444345), we get a palindrome (66788766).

The spelling of 54344421 in words is "fifty-four million, three hundred forty-four thousand, four hundred twenty-one".