53387365147776 has 256 divisors, whose sum is σ = 172840834857600. Its totient is φ = 16088606208000.

The previous prime is 53387365147757. The next prime is 53387365147799. The reversal of 53387365147776 is 67774156378335.

53387365147776 is a `hidden beast` number, since 5 + 3 + 3 + 8 + 7 + 36 + 51 + 477 + 76 = 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 31 ways as a sum of consecutive naturals, for example, 3001506 + ... + 10760286.

Almost surely, 2^{53387365147776} 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 53387365147776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86420417428800).

53387365147776 is an abundant number, since it is smaller than the sum of its proper divisors (119453469709824).

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

53387365147776 is a wasteful number, since it uses less digits than its factorization.

53387365147776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758996 (or 7758978 counting only the distinct ones).

The product of its digits is 1867017600, while the sum is 72.

The spelling of 53387365147776 in words is "fifty-three trillion, three hundred eighty-seven billion, three hundred sixty-five million, one hundred forty-seven thousand, seven hundred seventy-six".