54562639689 has 8 divisors (see below), whose sum is σ = 80833540320. Its totient is φ = 36375093108.

The previous prime is 54562639667. The next prime is 54562639711. The reversal of 54562639689 is 98693626545.

54562639689 is a `hidden beast` number, since 5 + 4 + 562 + 6 + 3 + 9 + 68 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (54562639667) and next prime (54562639711).

It is not a de Polignac number, because 54562639689 - 2¹⁶ = 54562574153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54562639639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010419227 + ... + 1010419280.

It is an arithmetic number, because the mean of its divisors is an integer number (10104192540).

Almost surely, 2^54562639689 is an apocalyptic number.

It is an amenable number.

54562639689 is a deficient number, since it is larger than the sum of its proper divisors (26270900631).

54562639689 is a wasteful number, since it uses less digits than its factorization.

54562639689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020838516 (or 2020838510 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 54562639689 in words is "fifty-four billion, five hundred sixty-two million, six hundred thirty-nine thousand, six hundred eighty-nine".