2055554172 has 60 divisors (see below), whose sum is σ = 6141292080. Its totient is φ = 587300544.

The previous prime is 2055554161. The next prime is 2055554219. The reversal of 2055554172 is 2714555502.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 450897 + ... + 455432.

It is an arithmetic number, because the mean of its divisors is an integer number (102354868).

Almost surely, 2^2055554172 is an apocalyptic number.

It is an amenable number.

2055554172 is an abundant number, since it is smaller than the sum of its proper divisors (4085737908).

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

2055554172 is a wasteful number, since it uses less digits than its factorization.

2055554172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906352 (or 906341 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 2055554172 is about 45338.2197709615. The cubic root of 2055554172 is about 1271.4803190389.

The spelling of 2055554172 in words is "two billion, fifty-five million, five hundred fifty-four thousand, one hundred seventy-two".