55533996012 has 24 divisors (see below), whose sum is σ = 141359262912. Its totient is φ = 16828483600.

The previous prime is 55533995977. The next prime is 55533996053. The reversal of 55533996012 is 21069933555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210355914 + ... + 210356177.

It is an arithmetic number, because the mean of its divisors is an integer number (5889969288).

Almost surely, 2^55533996012 is an apocalyptic number.

It is an amenable number.

55533996012 is an abundant number, since it is smaller than the sum of its proper divisors (85825266900).

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

55533996012 is a wasteful number, since it uses less digits than its factorization.

55533996012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420712109 (or 420712107 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 48.

The spelling of 55533996012 in words is "fifty-five billion, five hundred thirty-three million, nine hundred ninety-six thousand, twelve".