54659695645 has 8 divisors (see below), whose sum is σ = 65595672504. Its totient is φ = 43725064704.

The previous prime is 54659695633. The next prime is 54659695663.

54659695645 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 16884663481 + 37775032164 = 129941^2 + 194358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54659695645 - 2⁵ = 54659695613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244864 + ... + 411433.

It is an arithmetic number, because the mean of its divisors is an integer number (8199459063).

Almost surely, 2^54659695645 is an apocalyptic number.

It is an amenable number.

54659695645 is a deficient number, since it is larger than the sum of its proper divisors (10935976859).

54659695645 is a wasteful number, since it uses less digits than its factorization.

54659695645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672959.

The product of its digits is 174960000, while the sum is 64.

The spelling of 54659695645 in words is "fifty-four billion, six hundred fifty-nine million, six hundred ninety-five thousand, six hundred forty-five".