54607687513 has 2 divisors, whose sum is σ = 54607687514. Its totient is φ = 54607687512.

The previous prime is 54607687471. The next prime is 54607687553. The reversal of 54607687513 is 31578670645.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38734963344 + 15872724169 = 196812^2 + 125987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54607687513 is a prime.

It is a super-2 number, since 2×54607687513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54607687553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27303843756 + 27303843757.

It is an arithmetic number, because the mean of its divisors is an integer number (27303843757).

Almost surely, 2^54607687513 is an apocalyptic number.

It is an amenable number.

54607687513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54607687513 is an equidigital number, since it uses as much as digits as its factorization.

54607687513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 54607687513 in words is "fifty-four billion, six hundred seven million, six hundred eighty-seven thousand, five hundred thirteen".