55913888598481 has 9 divisors (see below), whose sum is σ = 57129216742299. Its totient is φ = 54723887426544.

The previous prime is 55913888598461. The next prime is 55913888598527. The reversal of 55913888598481 is 18489588831955.

The square root of 55913888598481 is 7477559.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 857726038225 + 55056162560256 = 926135^2 + 7419984^2 .

It is not a de Polignac number, because 55913888598481 - 2²⁵ = 55913855044049 is a prime.

It is a super-2 number, since 2×55913888598481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55913888598395 and 55913888598404.

It is not an unprimeable number, because it can be changed into a prime (55913888598401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 351365725 + ... + 351524821.

Almost surely, 2^{55913888598481} is an apocalyptic number.

55913888598481 is the 7477559-th square number.

55913888598481 is the 3738780-th centered octagonal number.

It is an amenable number.

55913888598481 is a deficient number, since it is larger than the sum of its proper divisors (1215328143818).

55913888598481 is an frugal number, since it uses more digits than its factorization.

55913888598481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318288 (or 159144 counting only the distinct ones).

The product of its digits is 3981312000, while the sum is 82.

The spelling of 55913888598481 in words is "fifty-five trillion, nine hundred thirteen billion, eight hundred eighty-eight million, five hundred ninety-eight thousand, four hundred eighty-one".