52435251405 has 48 divisors (see below), whose sum is σ = 91841995440. Its totient is φ = 27672192000.

The previous prime is 52435251403. The next prime is 52435251437. The reversal of 52435251405 is 50415253425.

52435251405 is a `hidden beast` number, since 5 + 243 + 5 + 2 + 5 + 1 + 405 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 21011662116 + 31423589289 = 144954^2 + 177267^2 .

It is not a de Polignac number, because 52435251405 - 2¹ = 52435251403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52435251405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52435251403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13910361 + ... + 13914129.

It is an arithmetic number, because the mean of its divisors is an integer number (1913374905).

Almost surely, 2^52435251405 is an apocalyptic number.

It is an amenable number.

52435251405 is a deficient number, since it is larger than the sum of its proper divisors (39406744035).

52435251405 is a wasteful number, since it uses less digits than its factorization.

52435251405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942 (or 6939 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 52435251405 in words is "fifty-two billion, four hundred thirty-five million, two hundred fifty-one thousand, four hundred five".