52561641383 has 2 divisors, whose sum is σ = 52561641384. Its totient is φ = 52561641382.

The previous prime is 52561641371. The next prime is 52561641427. The reversal of 52561641383 is 38314616525.

It is a happy number.

It is an a-pointer prime, because the next prime (52561641427) can be obtained adding 52561641383 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52561641383 - 2¹² = 52561637287 is a prime.

It is a super-2 number, since 2×52561641383² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52561641313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26280820691 + 26280820692.

It is an arithmetic number, because the mean of its divisors is an integer number (26280820692).

Almost surely, 2^52561641383 is an apocalyptic number.

52561641383 is a deficient number, since it is larger than the sum of its proper divisors (1).

52561641383 is an equidigital number, since it uses as much as digits as its factorization.

52561641383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The spelling of 52561641383 in words is "fifty-two billion, five hundred sixty-one million, six hundred forty-one thousand, three hundred eighty-three".