55698644943 has 12 divisors (see below), whose sum is σ = 85186163088. Its totient is φ = 34948169280.

The previous prime is 55698644867. The next prime is 55698644959. The reversal of 55698644943 is 34944689655.

55698644943 is a `hidden beast` number, since 5 + 5 + 69 + 86 + 4 + 494 + 3 = 666.

It is not a de Polignac number, because 55698644943 - 2⁹ = 55698644431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55698644993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182021563 + ... + 182021868.

It is an arithmetic number, because the mean of its divisors is an integer number (7098846924).

Almost surely, 2^55698644943 is an apocalyptic number.

55698644943 is a deficient number, since it is larger than the sum of its proper divisors (29487518145).

55698644943 is a wasteful number, since it uses less digits than its factorization.

55698644943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364043454 (or 364043451 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 63.

The spelling of 55698644943 in words is "fifty-five billion, six hundred ninety-eight million, six hundred forty-four thousand, nine hundred forty-three".