55610551011 has 16 divisors (see below), whose sum is σ = 80179421184. Its totient is φ = 34150491264.

The previous prime is 55610551001. The next prime is 55610551057. The reversal of 55610551011 is 11015501655.

It is not a de Polignac number, because 55610551011 - 2¹⁴ = 55610534627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55610551011.

It is not an unprimeable number, because it can be changed into a prime (55610551001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11597635 + ... + 11602428.

It is an arithmetic number, because the mean of its divisors is an integer number (5011213824).

Almost surely, 2^55610551011 is an apocalyptic number.

55610551011 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55610551011 is a deficient number, since it is larger than the sum of its proper divisors (24568870173).

55610551011 is a wasteful number, since it uses less digits than its factorization.

55610551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23200130.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 55610551011 in words is "fifty-five billion, six hundred ten million, five hundred fifty-one thousand, eleven".