54335032021 has 2 divisors, whose sum is σ = 54335032022. Its totient is φ = 54335032020.

The previous prime is 54335032019. The next prime is 54335032043. The reversal of 54335032021 is 12023053345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44055911025 + 10279120996 = 209895^2 + 101386^2 .

It is a cyclic number.

It is not a de Polignac number, because 54335032021 - 2¹ = 54335032019 is a prime.

Together with 54335032019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54335032321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27167516010 + 27167516011.

It is an arithmetic number, because the mean of its divisors is an integer number (27167516011).

Almost surely, 2^54335032021 is an apocalyptic number.

It is an amenable number.

54335032021 is a deficient number, since it is larger than the sum of its proper divisors (1).

54335032021 is an equidigital number, since it uses as much as digits as its factorization.

54335032021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 54335032021 its reverse (12023053345), we get a palindrome (66358085366).

The spelling of 54335032021 in words is "fifty-four billion, three hundred thirty-five million, thirty-two thousand, twenty-one".