52542143254 has 4 divisors (see below), whose sum is σ = 78813214884. Its totient is φ = 26271071626.

The previous prime is 52542143233. The next prime is 52542143261. The reversal of 52542143254 is 45234124525.

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

It is a super-3 number, since 3×52542143254³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13135535812 + ... + 13135535815.

It is an arithmetic number, because the mean of its divisors is an integer number (19703303721).

Almost surely, 2^52542143254 is an apocalyptic number.

52542143254 is a deficient number, since it is larger than the sum of its proper divisors (26271071630).

52542143254 is a wasteful number, since it uses less digits than its factorization.

52542143254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26271071629.

The product of its digits is 192000, while the sum is 37.

Adding to 52542143254 its reverse (45234124525), we get a palindrome (97776267779).

The spelling of 52542143254 in words is "fifty-two billion, five hundred forty-two million, one hundred forty-three thousand, two hundred fifty-four".