52056154237 has 4 divisors (see below), whose sum is σ = 52056611740. Its totient is φ = 52055696736.

The previous prime is 52056154231. The next prime is 52056154247. The reversal of 52056154237 is 73245165025.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28836794596 + 23219359641 = 169814^2 + 152379^2 .

It is a cyclic number.

It is not a de Polignac number, because 52056154237 - 2²³ = 52047765629 is a prime.

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 52056154237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52056154231) 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, 89689 + ... + 334897.

It is an arithmetic number, because the mean of its divisors is an integer number (13014152935).

Almost surely, 2^52056154237 is an apocalyptic number.

It is an amenable number.

52056154237 is a deficient number, since it is larger than the sum of its proper divisors (457503).

52056154237 is a wasteful number, since it uses less digits than its factorization.

52056154237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457502.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 52056154237 in words is "fifty-two billion, fifty-six million, one hundred fifty-four thousand, two hundred thirty-seven".