52542224551 has 4 divisors (see below), whose sum is σ = 53962284712. Its totient is φ = 51122164392.

The previous prime is 52542224543. The next prime is 52542224591. The reversal of 52542224551 is 15542224525.

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

It is a cyclic number.

It is not a de Polignac number, because 52542224551 - 2³ = 52542224543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1420060123 = 52542224551 / (5 + 2 + 5 + 4 + 2 + 2 + 2 + 4 + 5 + 5 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52542224551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542224591) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 710030025 + ... + 710030098.

It is an arithmetic number, because the mean of its divisors is an integer number (13490571178).

Almost surely, 2^52542224551 is an apocalyptic number.

52542224551 is a deficient number, since it is larger than the sum of its proper divisors (1420060161).

52542224551 is a wasteful number, since it uses less digits than its factorization.

52542224551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420060160.

The product of its digits is 160000, while the sum is 37.

The spelling of 52542224551 in words is "fifty-two billion, five hundred forty-two million, two hundred twenty-four thousand, five hundred fifty-one".