54644645132660 has 72 divisors (see below), whose sum is σ = 126139481987400. Its totient is φ = 19869962506240.

The previous prime is 54644645132657. The next prime is 54644645132801. The reversal of 54644645132660 is 6623154644645.

It can be written as a sum of positive squares in 4 ways, for example, as 3035881094884 + 51608764037776 = 1742378^2 + 7183924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54644645132596 and 54644645132605.

It is a congruent number.

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, 59992316 + ... + 60896364.

It is an arithmetic number, because the mean of its divisors is an integer number (1751937249825).

Almost surely, 2^{54644645132660} is an apocalyptic number.

It is an amenable number.

54644645132660 is an abundant number, since it is smaller than the sum of its proper divisors (71494836854740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54644645132660 is a wasteful number, since it uses less digits than its factorization.

54644645132660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929057 (or 929044 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 56.

The spelling of 54644645132660 in words is "fifty-four trillion, six hundred forty-four billion, six hundred forty-five million, one hundred thirty-two thousand, six hundred sixty".