53235332040 has 256 divisors, whose sum is σ = 184810947840. Its totient is φ = 12124160000.

The previous prime is 53235331999. The next prime is 53235332041. The reversal of 53235332040 is 4023353235.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 53235331989 and 53235332007.

It is not an unprimeable number, because it can be changed into a prime (53235332041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14382190 + ... + 14385890.

It is an arithmetic number, because the mean of its divisors is an integer number (721917765).

Almost surely, 2^53235332040 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 53235332040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92405473920).

53235332040 is an abundant number, since it is smaller than the sum of its proper divisors (131575615800).

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

53235332040 is a wasteful number, since it uses less digits than its factorization.

53235332040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 53235332040 its reverse (4023353235), we get a palindrome (57258685275).

The spelling of 53235332040 in words is "fifty-three billion, two hundred thirty-five million, three hundred thirty-two thousand, forty".