53563355952 has 80 divisors (see below), whose sum is σ = 143078842368. Its totient is φ = 17249080320.

The previous prime is 53563355939. The next prime is 53563355959. The reversal of 53563355952 is 25955336535.

It is a junction number, because it is equal to n+sod(n) for n = 53563355895 and 53563355904.

It is not an unprimeable number, because it can be changed into a prime (53563355959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852033 + ... + 912735.

Almost surely, 2^53563355952 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 53563355952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71539421184).

53563355952 is an abundant number, since it is smaller than the sum of its proper divisors (89515486416).

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

53563355952 is a wasteful number, since it uses less digits than its factorization.

53563355952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61338 (or 61332 counting only the distinct ones).

The product of its digits is 9112500, while the sum is 51.

The spelling of 53563355952 in words is "fifty-three billion, five hundred sixty-three million, three hundred fifty-five thousand, nine hundred fifty-two".