54888788287665 has 24 divisors (see below), whose sum is σ = 95666204867688. Its totient is φ = 29112285496320.

The previous prime is 54888788287639. The next prime is 54888788287687. The reversal of 54888788287665 is 56678288788845.

It can be written as a sum of positive squares in 4 ways, for example, as 3196815265296 + 51691973022369 = 1787964^2 + 7189713^2 .

It is not a de Polignac number, because 54888788287665 - 2⁸ = 54888788287409 is a prime.

It is a super-2 number, since 2×54888788287665² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3369469344 + ... + 3369485633.

It is an arithmetic number, because the mean of its divisors is an integer number (3986091869487).

Almost surely, 2^{54888788287665} is an apocalyptic number.

It is an amenable number.

54888788287665 is a deficient number, since it is larger than the sum of its proper divisors (40777416580023).

54888788287665 is a wasteful number, since it uses less digits than its factorization.

54888788287665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738955169 (or 6738955166 counting only the distinct ones).

The product of its digits is 92484403200, while the sum is 90.

The spelling of 54888788287665 in words is "fifty-four trillion, eight hundred eighty-eight billion, seven hundred eighty-eight million, two hundred eighty-seven thousand, six hundred sixty-five".