52515145454 has 8 divisors (see below), whose sum is σ = 78810004560. Its totient is φ = 26245143936.

The previous prime is 52515145429. The next prime is 52515145469. The reversal of 52515145454 is 45454151525.

52515145454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×52515145454² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6209114 + ... + 6217565.

It is an arithmetic number, because the mean of its divisors is an integer number (9851250570).

Almost surely, 2^52515145454 is an apocalyptic number.

52515145454 is a deficient number, since it is larger than the sum of its proper divisors (26294859106).

52515145454 is a wasteful number, since it uses less digits than its factorization.

52515145454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428794.

The product of its digits is 400000, while the sum is 41.

Adding to 52515145454 its reverse (45454151525), we get a palindrome (97969296979).

The spelling of 52515145454 in words is "fifty-two billion, five hundred fifteen million, one hundred forty-five thousand, four hundred fifty-four".