54768572651520 has 3456 divisors, whose sum is σ = 249648658459200. Its totient is φ = 11413434138624.

The previous prime is 54768572651473. The next prime is 54768572651579. The reversal of 54768572651520 is 2515627586745.

54768572651520 is a `hidden beast` number, since 5 + 4 + 7 + 6 + 8 + 57 + 2 + 6 + 51 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 172771522402 + ... + 172771522718.

Almost surely, 2^{54768572651520} 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 54768572651520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124824329229600).

54768572651520 is an abundant number, since it is smaller than the sum of its proper divisors (194880085807680).

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

54768572651520 is a wasteful number, since it uses less digits than its factorization.

54768572651520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 141120000, while the sum is 63.

The spelling of 54768572651520 in words is "fifty-four trillion, seven hundred sixty-eight billion, five hundred seventy-two million, six hundred fifty-one thousand, five hundred twenty".