53015778140160 has 448 divisors, whose sum is σ = 194802163729920. Its totient is φ = 12175866593280.

The previous prime is 53015778140153. The next prime is 53015778140201. The reversal of 53015778140160 is 6104187751035.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24649759 + ... + 26714081.

Almost surely, 2^{53015778140160} 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 53015778140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97401081864960).

53015778140160 is an abundant number, since it is smaller than the sum of its proper divisors (141786385589760).

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

53015778140160 is a wasteful number, since it uses less digits than its factorization.

53015778140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064387 (or 2064363 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 53015778140160 in words is "fifty-three trillion, fifteen billion, seven hundred seventy-eight million, one hundred forty thousand, one hundred sixty".