55043353651 has 16 divisors (see below), whose sum is σ = 65027612160. Its totient is φ = 45932159520.

The previous prime is 55043353619. The next prime is 55043353657. The reversal of 55043353651 is 15635334055.

It is not a de Polignac number, because 55043353651 - 2⁵ = 55043353619 is a prime.

It is a super-2 number, since 2×55043353651² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55043353657) 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, 1049595 + ... + 1100788.

It is an arithmetic number, because the mean of its divisors is an integer number (4064225760).

Almost surely, 2^55043353651 is an apocalyptic number.

55043353651 is a deficient number, since it is larger than the sum of its proper divisors (9984258509).

55043353651 is a wasteful number, since it uses less digits than its factorization.

55043353651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150586.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 55043353651 in words is "fifty-five billion, forty-three million, three hundred fifty-three thousand, six hundred fifty-one".