54023320021 has 8 divisors (see below), whose sum is σ = 58990089888. Its totient is φ = 49065810000.

The previous prime is 54023320019. The next prime is 54023320031. The reversal of 54023320021 is 12002332045.

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 54023320021 - 2¹ = 54023320019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54023319974 and 54023320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54023320031) 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, 2302755 + ... + 2326096.

It is an arithmetic number, because the mean of its divisors is an integer number (7373761236).

Almost surely, 2^54023320021 is an apocalyptic number.

It is an amenable number.

54023320021 is a deficient number, since it is larger than the sum of its proper divisors (4966769867).

54023320021 is a wasteful number, since it uses less digits than its factorization.

54023320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629923.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 54023320021 its reverse (12002332045), we get a palindrome (66025652066).

The spelling of 54023320021 in words is "fifty-four billion, twenty-three million, three hundred twenty thousand, twenty-one".