52505412154 has 8 divisors (see below), whose sum is σ = 84816435060. Its totient is φ = 24233267136.

The previous prime is 52505412131. The next prime is 52505412199. The reversal of 52505412154 is 45121450525.

It can be written as a sum of positive squares in 2 ways, for example, as 51041201929 + 1464210225 = 225923^2 + 38265^2 .

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

It is a super-2 number, since 2×52505412154² (a number of 22 digits) contains 22 as substring.

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, 1009719439 + ... + 1009719490.

Almost surely, 2^52505412154 is an apocalyptic number.

52505412154 is a deficient number, since it is larger than the sum of its proper divisors (32311022906).

52505412154 is a wasteful number, since it uses less digits than its factorization.

52505412154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019438944.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 52505412154 its reverse (45121450525), we get a palindrome (97626862679).

The spelling of 52505412154 in words is "fifty-two billion, five hundred five million, four hundred twelve thousand, one hundred fifty-four".