53387914893952 has 64 divisors (see below), whose sum is σ = 107983960388640. Its totient is φ = 26286337059840.

The previous prime is 53387914893947. The next prime is 53387914893959. The reversal of 53387914893952 is 25939841978335.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (53387914893959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23447983 + ... + 25623889.

Almost surely, 2^{53387914893952} 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 53387914893952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53991980194320).

53387914893952 is an abundant number, since it is smaller than the sum of its proper divisors (54596045494688).

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

53387914893952 is a wasteful number, since it uses less digits than its factorization.

53387914893952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178849 (or 2178837 counting only the distinct ones).

The product of its digits is 1763596800, while the sum is 76.

The spelling of 53387914893952 in words is "fifty-three trillion, three hundred eighty-seven billion, nine hundred fourteen million, eight hundred ninety-three thousand, nine hundred fifty-two".