54555632939 has 2 divisors, whose sum is σ = 54555632940. Its totient is φ = 54555632938.

The previous prime is 54555632921. The next prime is 54555632981. The reversal of 54555632939 is 93923655545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54555632939 is a prime.

It is not a weakly prime, because it can be changed into another prime (54555622939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277816469 + 27277816470.

It is an arithmetic number, because the mean of its divisors is an integer number (27277816470).

Almost surely, 2^54555632939 is an apocalyptic number.

54555632939 is a deficient number, since it is larger than the sum of its proper divisors (1).

54555632939 is an equidigital number, since it uses as much as digits as its factorization.

54555632939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870000, while the sum is 56.

The spelling of 54555632939 in words is "fifty-four billion, five hundred fifty-five million, six hundred thirty-two thousand, nine hundred thirty-nine".