54848821 has 4 divisors (see below), whose sum is σ = 55748044. Its totient is φ = 53949600.

The previous prime is 54848803. The next prime is 54848861. The reversal of 54848821 is 12884845.

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 21958596 + 32890225 = 4686^2 + 5735^2 .

It is a cyclic number.

It is not a de Polignac number, because 54848821 - 2⁵ = 54848789 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 (54848861) 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, 449520 + ... + 449641.

It is an arithmetic number, because the mean of its divisors is an integer number (13937011).

Almost surely, 2^54848821 is an apocalyptic number.

It is an amenable number.

54848821 is a deficient number, since it is larger than the sum of its proper divisors (899223).

54848821 is an equidigital number, since it uses as much as digits as its factorization.

54848821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899222.

The product of its digits is 81920, while the sum is 40.

The square root of 54848821 is about 7405.9989873075. The cubic root of 54848821 is about 379.9464860006.

The spelling of 54848821 in words is "fifty-four million, eight hundred forty-eight thousand, eight hundred twenty-one".