52140454032 has 80 divisors (see below), whose sum is σ = 136666109952. Its totient is φ = 17126229120.

The previous prime is 52140454007. The next prime is 52140454033. The reversal of 52140454032 is 23045404125.

It is not an unprimeable number, because it can be changed into a prime (52140454033) 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, 9972603 + ... + 9977829.

Almost surely, 2^52140454032 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 52140454032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68333054976).

52140454032 is an abundant number, since it is smaller than the sum of its proper divisors (84525655920).

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

52140454032 is a wasteful number, since it uses less digits than its factorization.

52140454032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236 (or 8230 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 52140454032 its reverse (23045404125), we get a palindrome (75185858157).

The spelling of 52140454032 in words is "fifty-two billion, one hundred forty million, four hundred fifty-four thousand, thirty-two".