55711941521 has 16 divisors (see below), whose sum is σ = 59508793344. Its totient is φ = 52030584144.

The previous prime is 55711941491. The next prime is 55711941529. The reversal of 55711941521 is 12514911755.

It is a cyclic number.

It is not a de Polignac number, because 55711941521 - 2⁶ = 55711941457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55711941529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3024080 + ... + 3042446.

It is an arithmetic number, because the mean of its divisors is an integer number (3719299584).

Almost surely, 2^55711941521 is an apocalyptic number.

It is an amenable number.

55711941521 is a deficient number, since it is larger than the sum of its proper divisors (3796851823).

55711941521 is a wasteful number, since it uses less digits than its factorization.

55711941521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21500.

The product of its digits is 63000, while the sum is 41.

The spelling of 55711941521 in words is "fifty-five billion, seven hundred eleven million, nine hundred forty-one thousand, five hundred twenty-one".