53444507447984 has 10 divisors (see below), whose sum is σ = 103548733180500. Its totient is φ = 26722253723984.

The previous prime is 53444507447963. The next prime is 53444507448011. The reversal of 53444507447984 is 48974470544435.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670140857734 + ... + 1670140857765.

It is an arithmetic number, because the mean of its divisors is an integer number (10354873318050).

Almost surely, 2^{53444507447984} is an apocalyptic number.

It is an amenable number.

53444507447984 is a deficient number, since it is larger than the sum of its proper divisors (50104225732516).

53444507447984 is a wasteful number, since it uses less digits than its factorization.

53444507447984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340281715507 (or 3340281715501 counting only the distinct ones).

The product of its (nonzero) digits is 1083801600, while the sum is 68.

The spelling of 53444507447984 in words is "fifty-three trillion, four hundred forty-four billion, five hundred seven million, four hundred forty-seven thousand, nine hundred eighty-four".