52502405451 has 8 divisors (see below), whose sum is σ = 70537583424. Its totient is φ = 34734415560.

The previous prime is 52502405437. The next prime is 52502405471. The reversal of 52502405451 is 15450420525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52502405451 - 2⁹ = 52502404939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52502405401) 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, 66796561 + ... + 66797346.

It is an arithmetic number, because the mean of its divisors is an integer number (8817197928).

Almost surely, 2^52502405451 is an apocalyptic number.

52502405451 is a deficient number, since it is larger than the sum of its proper divisors (18035177973).

52502405451 is a wasteful number, since it uses less digits than its factorization.

52502405451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133594041.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 52502405451 its reverse (15450420525), we get a palindrome (67952825976).

The spelling of 52502405451 in words is "fifty-two billion, five hundred two million, four hundred five thousand, four hundred fifty-one".