55561111732 has 12 divisors (see below), whose sum is σ = 111122223520. Its totient is φ = 23811905016.

The previous prime is 55561111729. The next prime is 55561111807. The reversal of 55561111732 is 23711116555.

55561111732 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55561111691 and 55561111700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992162682 + ... + 992162737.

Almost surely, 2^55561111732 is an apocalyptic number.

It is an amenable number.

55561111732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55561111732 is a wasteful number, since it uses less digits than its factorization.

55561111732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984325430 (or 1984325428 counting only the distinct ones).

The product of its digits is 31500, while the sum is 37.

The spelling of 55561111732 in words is "fifty-five billion, five hundred sixty-one million, one hundred eleven thousand, seven hundred thirty-two".