54939524987 has 2 divisors, whose sum is σ = 54939524988. Its totient is φ = 54939524986.

The previous prime is 54939524963. The next prime is 54939525071. The reversal of 54939524987 is 78942593945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54939524987 - 2²² = 54935330683 is a prime.

It is not a weakly prime, because it can be changed into another prime (54939526987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27469762493 + 27469762494.

It is an arithmetic number, because the mean of its divisors is an integer number (27469762494).

Almost surely, 2^54939524987 is an apocalyptic number.

54939524987 is a deficient number, since it is larger than the sum of its proper divisors (1).

54939524987 is an equidigital number, since it uses as much as digits as its factorization.

54939524987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97977600, while the sum is 65.

The spelling of 54939524987 in words is "fifty-four billion, nine hundred thirty-nine million, five hundred twenty-four thousand, nine hundred eighty-seven".