54021155233 has 4 divisors (see below), whose sum is σ = 54827441200. Its totient is φ = 53214869268.

The previous prime is 54021155219. The next prime is 54021155299. The reversal of 54021155233 is 33255112045.

54021155233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54021155233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54021155195 and 54021155204.

It is not an unprimeable number, because it can be changed into a prime (54021155203) 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, 403142883 + ... + 403143016.

It is an arithmetic number, because the mean of its divisors is an integer number (13706860300).

Almost surely, 2^54021155233 is an apocalyptic number.

It is an amenable number.

54021155233 is a deficient number, since it is larger than the sum of its proper divisors (806285967).

54021155233 is an equidigital number, since it uses as much as digits as its factorization.

54021155233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806285966.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 54021155233 its reverse (33255112045), we get a palindrome (87276267278).

The spelling of 54021155233 in words is "fifty-four billion, twenty-one million, one hundred fifty-five thousand, two hundred thirty-three".