54446421 has 8 divisors (see below), whose sum is σ = 73617984. Its totient is φ = 35786240.

The previous prime is 54446417. The next prime is 54446449. The reversal of 54446421 is 12464445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54446421 - 2² = 54446417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54441421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127596 + ... + 128021.

It is an arithmetic number, because the mean of its divisors is an integer number (9202248).

Almost surely, 2^54446421 is an apocalyptic number.

It is an amenable number.

54446421 is a deficient number, since it is larger than the sum of its proper divisors (19171563).

54446421 is a wasteful number, since it uses less digits than its factorization.

54446421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255691.

The product of its digits is 15360, while the sum is 30.

The square root of 54446421 is about 7378.7818100280. The cubic root of 54446421 is about 379.0150415335.

The spelling of 54446421 in words is "fifty-four million, four hundred forty-six thousand, four hundred twenty-one".