54869553913 has 2 divisors, whose sum is σ = 54869553914. Its totient is φ = 54869553912.

The previous prime is 54869553887. The next prime is 54869553961. The reversal of 54869553913 is 31935596845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41751974889 + 13117579024 = 204333^2 + 114532^2 .

It is a cyclic number.

It is not a de Polignac number, because 54869553913 - 2⁵ = 54869553881 is a prime.

It is a super-2 number, since 2×54869553913² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54869563913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27434776956 + 27434776957.

It is an arithmetic number, because the mean of its divisors is an integer number (27434776957).

Almost surely, 2^54869553913 is an apocalyptic number.

It is an amenable number.

54869553913 is a deficient number, since it is larger than the sum of its proper divisors (1).

54869553913 is an equidigital number, since it uses as much as digits as its factorization.

54869553913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496000, while the sum is 58.

The spelling of 54869553913 in words is "fifty-four billion, eight hundred sixty-nine million, five hundred fifty-three thousand, nine hundred thirteen".