53513147856 has 160 divisors (see below), whose sum is σ = 163328720896. Its totient is φ = 14774400000.

The previous prime is 53513147819. The next prime is 53513147861. The reversal of 53513147856 is 65874131535.

53513147856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

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, 7818996 + ... + 7825836.

Almost surely, 2^53513147856 is an apocalyptic number.

53513147856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53513147856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81664360448).

53513147856 is an abundant number, since it is smaller than the sum of its proper divisors (109815573040).

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

53513147856 is a wasteful number, since it uses less digits than its factorization.

53513147856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641 (or 7635 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 48.

The spelling of 53513147856 in words is "fifty-three billion, five hundred thirteen million, one hundred forty-seven thousand, eight hundred fifty-six".