54681665435 has 16 divisors (see below), whose sum is σ = 69718320000. Its totient is φ = 41172059008.

The previous prime is 54681665419. The next prime is 54681665471. The reversal of 54681665435 is 53456618645.

It is not a de Polignac number, because 54681665435 - 2⁴ = 54681665419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088435 + ... + 1137564.

It is an arithmetic number, because the mean of its divisors is an integer number (4357395000).

Almost surely, 2^54681665435 is an apocalyptic number.

54681665435 is a deficient number, since it is larger than the sum of its proper divisors (15036654565).

54681665435 is an equidigital number, since it uses as much as digits as its factorization.

54681665435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226055 (or 2226021 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 53.

The spelling of 54681665435 in words is "fifty-four billion, six hundred eighty-one million, six hundred sixty-five thousand, four hundred thirty-five".