54353821 has 8 divisors (see below), whose sum is σ = 55040960. Its totient is φ = 53669952.

The previous prime is 54353773. The next prime is 54353863. The reversal of 54353821 is 12835345.

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 54353821 - 2⁷ = 54353693 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 (54353891) 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, 53365 + ... + 54373.

It is an arithmetic number, because the mean of its divisors is an integer number (6880120).

Almost surely, 2^54353821 is an apocalyptic number.

It is an amenable number.

54353821 is a deficient number, since it is larger than the sum of its proper divisors (687139).

54353821 is a wasteful number, since it uses less digits than its factorization.

54353821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its digits is 14400, while the sum is 31.

The square root of 54353821 is about 7372.5043913178. The cubic root of 54353821 is about 378.8000490814.

The spelling of 54353821 in words is "fifty-four million, three hundred fifty-three thousand, eight hundred twenty-one".