54733621 has 2 divisors, whose sum is σ = 54733622. Its totient is φ = 54733620.

The previous prime is 54733597. The next prime is 54733633. The reversal of 54733621 is 12633745.

54733621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54552996 + 180625 = 7386^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 54733621 - 2⁵ = 54733589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54733681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27366810 + 27366811.

It is an arithmetic number, because the mean of its divisors is an integer number (27366811).

Almost surely, 2^54733621 is an apocalyptic number.

It is an amenable number.

54733621 is a deficient number, since it is larger than the sum of its proper divisors (1).

54733621 is an equidigital number, since it uses as much as digits as its factorization.

54733621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 54733621 is about 7398.2174204331. The cubic root of 54733621 is about 379.6802966598.

The spelling of 54733621 in words is "fifty-four million, seven hundred thirty-three thousand, six hundred twenty-one".