52637184491 has 2 divisors, whose sum is σ = 52637184492. Its totient is φ = 52637184490.

The previous prime is 52637184469. The next prime is 52637184499. The reversal of 52637184491 is 19448173625.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52637184491 - 2²² = 52632990187 is a prime.

It is a super-2 number, since 2×52637184491² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52637184499) 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, 26318592245 + 26318592246.

It is an arithmetic number, because the mean of its divisors is an integer number (26318592246).

Almost surely, 2^52637184491 is an apocalyptic number.

52637184491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52637184491 is an equidigital number, since it uses as much as digits as its factorization.

52637184491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The spelling of 52637184491 in words is "fifty-two billion, six hundred thirty-seven million, one hundred eighty-four thousand, four hundred ninety-one".