52430947557 has 4 divisors (see below), whose sum is σ = 69907930080. Its totient is φ = 34953965036.

The previous prime is 52430947537. The next prime is 52430947567. The reversal of 52430947557 is 75574903425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52430947557 - 2⁸ = 52430947301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52430947537) 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, 8738491257 + ... + 8738491262.

It is an arithmetic number, because the mean of its divisors is an integer number (17476982520).

Almost surely, 2^52430947557 is an apocalyptic number.

It is an amenable number.

52430947557 is a deficient number, since it is larger than the sum of its proper divisors (17476982523).

52430947557 is a wasteful number, since it uses less digits than its factorization.

52430947557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17476982522.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 52430947557 in words is "fifty-two billion, four hundred thirty million, nine hundred forty-seven thousand, five hundred fifty-seven".