55553698365 has 16 divisors (see below), whose sum is σ = 96966455616. Its totient is φ = 26935126400.

The previous prime is 55553698357. The next prime is 55553698367. The reversal of 55553698365 is 56389635555.

It is not a de Polignac number, because 55553698365 - 2³ = 55553698357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55553698299 and 55553698308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553698367) 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 in 15 ways as a sum of consecutive naturals, for example, 168344376 + ... + 168344705.

It is an arithmetic number, because the mean of its divisors is an integer number (6060403476).

Almost surely, 2^55553698365 is an apocalyptic number.

55553698365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55553698365 is a deficient number, since it is larger than the sum of its proper divisors (41412757251).

55553698365 is a wasteful number, since it uses less digits than its factorization.

55553698365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336689100.

The product of its digits is 72900000, while the sum is 60.

The spelling of 55553698365 in words is "fifty-five billion, five hundred fifty-three million, six hundred ninety-eight thousand, three hundred sixty-five".