52265521551 has 4 divisors (see below), whose sum is σ = 69687362072. Its totient is φ = 34843681032.

The previous prime is 52265521543. The next prime is 52265521589. The reversal of 52265521551 is 15512556225.

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

It is not a de Polignac number, because 52265521551 - 2³ = 52265521543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52265521501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8710920256 + ... + 8710920261.

It is an arithmetic number, because the mean of its divisors is an integer number (17421840518).

Almost surely, 2^52265521551 is an apocalyptic number.

52265521551 is a deficient number, since it is larger than the sum of its proper divisors (17421840521).

52265521551 is a wasteful number, since it uses less digits than its factorization.

52265521551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17421840520.

The product of its digits is 150000, while the sum is 39.

The spelling of 52265521551 in words is "fifty-two billion, two hundred sixty-five million, five hundred twenty-one thousand, five hundred fifty-one".