53538874021776 has 160 divisors (see below), whose sum is σ = 162492291827712. Its totient is φ = 14975569543680.

The previous prime is 53538874021687. The next prime is 53538874021783. The reversal of 53538874021776 is 67712047883535.

It is a super-3 number, since 3×53538874021776³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589180921 + ... + 589271783.

Almost surely, 2^{53538874021776} is an apocalyptic number.

It is an amenable number.

53538874021776 is an abundant number, since it is smaller than the sum of its proper divisors (108953417805936).

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

53538874021776 is a wasteful number, since it uses less digits than its factorization.

53538874021776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176741 (or 176735 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 66.

The spelling of 53538874021776 in words is "fifty-three trillion, five hundred thirty-eight billion, eight hundred seventy-four million, twenty-one thousand, seven hundred seventy-six".