54145100166644 has 12 divisors (see below), whose sum is σ = 94773418007268. Its totient is φ = 27066980736000.

The previous prime is 54145100166637. The next prime is 54145100166713. The reversal of 54145100166644 is 44666100154145.

It can be written as a sum of positive squares in 2 ways, for example, as 44119644476644 + 10025455690000 = 6642262^2 + 3166300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392314957 + ... + 1392353844.

It is an arithmetic number, because the mean of its divisors is an integer number (7897784833939).

Almost surely, 2^{54145100166644} is an apocalyptic number.

It is an amenable number.

54145100166644 is a deficient number, since it is larger than the sum of its proper divisors (40628317840624).

54145100166644 is a wasteful number, since it uses less digits than its factorization.

54145100166644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784673666 (or 2784673664 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 54145100166644 in words is "fifty-four trillion, one hundred forty-five billion, one hundred million, one hundred sixty-six thousand, six hundred forty-four".