52501432442 has 4 divisors (see below), whose sum is σ = 78752148666. Its totient is φ = 26250716220.

The previous prime is 52501432441. The next prime is 52501432447. The reversal of 52501432442 is 24423410525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28190074201 + 24311358241 = 167899^2 + 155921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52501432399 and 52501432408.

It is not an unprimeable number, because it can be changed into a prime (52501432441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125358109 + ... + 13125358112.

Almost surely, 2^52501432442 is an apocalyptic number.

52501432442 is a deficient number, since it is larger than the sum of its proper divisors (26250716224).

52501432442 is a wasteful number, since it uses less digits than its factorization.

52501432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26250716223.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 52501432442 its reverse (24423410525), we get a palindrome (76924842967).

The spelling of 52501432442 in words is "fifty-two billion, five hundred one million, four hundred thirty-two thousand, four hundred forty-two".