54020939923 has 2 divisors, whose sum is σ = 54020939924. Its totient is φ = 54020939922.

The previous prime is 54020939887. The next prime is 54020939927. The reversal of 54020939923 is 32993902045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54020939923 is a prime.

It is not a weakly prime, because it can be changed into another prime (54020939927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27010469961 + 27010469962.

It is an arithmetic number, because the mean of its divisors is an integer number (27010469962).

Almost surely, 2^54020939923 is an apocalyptic number.

54020939923 is a deficient number, since it is larger than the sum of its proper divisors (1).

54020939923 is an equidigital number, since it uses as much as digits as its factorization.

54020939923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 54020939923 in words is "fifty-four billion, twenty million, nine hundred thirty-nine thousand, nine hundred twenty-three".