55543161063 has 32 divisors (see below), whose sum is σ = 83880437760. Its totient is φ = 32453665920.

The previous prime is 55543161061. The next prime is 55543161097. The reversal of 55543161063 is 36016134555.

It is not a de Polignac number, because 55543161063 - 2¹ = 55543161061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55543161061) 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 31 ways as a sum of consecutive naturals, for example, 369333 + ... + 497486.

It is an arithmetic number, because the mean of its divisors is an integer number (2621263680).

Almost surely, 2^55543161063 is an apocalyptic number.

55543161063 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55543161063 is a deficient number, since it is larger than the sum of its proper divisors (28337276697).

55543161063 is a wasteful number, since it uses less digits than its factorization.

55543161063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866919.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 55543161063 in words is "fifty-five billion, five hundred forty-three million, one hundred sixty-one thousand, sixty-three".