52155463387 has 2 divisors, whose sum is σ = 52155463388. Its totient is φ = 52155463386.

The previous prime is 52155463319. The next prime is 52155463397. The reversal of 52155463387 is 78336455125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52155463387 - 2¹⁹ = 52154939099 is a prime.

It is a super-2 number, since 2×52155463387² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52155463387.

It is not a weakly prime, because it can be changed into another prime (52155463397) 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 as a sum of consecutive naturals, namely, 26077731693 + 26077731694.

It is an arithmetic number, because the mean of its divisors is an integer number (26077731694).

Almost surely, 2^52155463387 is an apocalyptic number.

52155463387 is a deficient number, since it is larger than the sum of its proper divisors (1).

52155463387 is an equidigital number, since it uses as much as digits as its factorization.

52155463387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 49.

The spelling of 52155463387 in words is "fifty-two billion, one hundred fifty-five million, four hundred sixty-three thousand, three hundred eighty-seven".