54715502081640 has 32 divisors (see below), whose sum is σ = 164146506245280. Its totient is φ = 14590800555072.

The previous prime is 54715502081573. The next prime is 54715502081657. The reversal of 54715502081640 is 4618020551745.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54715502081640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227981258554 + ... + 227981258793.

It is an arithmetic number, because the mean of its divisors is an integer number (5129578320165).

Almost surely, 2^{54715502081640} is an apocalyptic number.

It is an amenable number.

54715502081640 is an abundant number, since it is smaller than the sum of its proper divisors (109431004163640).

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

54715502081640 is a wasteful number, since it uses less digits than its factorization.

54715502081640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455962517361 (or 455962517357 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 54715502081640 in words is "fifty-four trillion, seven hundred fifteen billion, five hundred two million, eighty-one thousand, six hundred forty".