672100000055 has 24 divisors (see below), whose sum is σ = 886763774400. Its totient is φ = 488657568960.

The previous prime is 672100000051. The next prime is 672100000067. The reversal of 672100000055 is 550000001276.

It is not a de Polignac number, because 672100000055 - 2² = 672100000051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672100000051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1938626 + ... + 2258864.

It is an arithmetic number, because the mean of its divisors is an integer number (36948490600).

Almost surely, 2^672100000055 is an apocalyptic number.

672100000055 is a deficient number, since it is larger than the sum of its proper divisors (214663774345).

672100000055 is a wasteful number, since it uses less digits than its factorization.

672100000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323735 (or 323724 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 672100000055 in words is "six hundred seventy-two billion, one hundred million, fifty-five", and thus it is an aban number.