54544501199987 has 2 divisors, whose sum is σ = 54544501199988. Its totient is φ = 54544501199986.

The previous prime is 54544501199983. The next prime is 54544501200019. The reversal of 54544501199987 is 78999110544545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54544501199987 - 2² = 54544501199983 is a prime.

It is a super-2 number, since 2×54544501199987² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54544501199987.

It is not a weakly prime, because it can be changed into another prime (54544501199983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27272250599993 + 27272250599994.

It is an arithmetic number, because the mean of its divisors is an integer number (27272250599994).

Almost surely, 2^{54544501199987} is an apocalyptic number.

54544501199987 is a deficient number, since it is larger than the sum of its proper divisors (1).

54544501199987 is an equidigital number, since it uses as much as digits as its factorization.

54544501199987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592000, while the sum is 71.

The spelling of 54544501199987 in words is "fifty-four trillion, five hundred forty-four billion, five hundred one million, one hundred ninety-nine thousand, nine hundred eighty-seven".