54798686075520 has 768 divisors, whose sum is σ = 197157391200000. Its totient is φ = 14384642383872.

The previous prime is 54798686075501. The next prime is 54798686075537. The reversal of 54798686075520 is 2557068689745.

54798686075520 is a `hidden beast` number, since 5 + 4 + 7 + 9 + 8 + 6 + 8 + 60 + 7 + 552 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41545629421 + ... + 41545630739.

It is an arithmetic number, because the mean of its divisors is an integer number (256715353125).

Almost surely, 2^{54798686075520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54798686075520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98578695600000).

54798686075520 is an abundant number, since it is smaller than the sum of its proper divisors (142358705124480).

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

54798686075520 is a wasteful number, since it uses less digits than its factorization.

54798686075520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 1016064000, while the sum is 72.

The spelling of 54798686075520 in words is "fifty-four trillion, seven hundred ninety-eight billion, six hundred eighty-six million, seventy-five thousand, five hundred twenty".