54801598513 has 2 divisors, whose sum is σ = 54801598514. Its totient is φ = 54801598512.

The previous prime is 54801598499. The next prime is 54801598519. The reversal of 54801598513 is 31589510845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37238192784 + 17563405729 = 192972^2 + 132527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54801598513 is a prime.

It is a super-2 number, since 2×54801598513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54801598519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27400799256 + 27400799257.

It is an arithmetic number, because the mean of its divisors is an integer number (27400799257).

Almost surely, 2^54801598513 is an apocalyptic number.

It is an amenable number.

54801598513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54801598513 is an equidigital number, since it uses as much as digits as its factorization.

54801598513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 49.

The spelling of 54801598513 in words is "fifty-four billion, eight hundred one million, five hundred ninety-eight thousand, five hundred thirteen".