2054621172 has 24 divisors (see below), whose sum is σ = 4795643776. Its totient is φ = 684655488.

The previous prime is 2054621167. The next prime is 2054621197. The reversal of 2054621172 is 2711264502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14508 + ... + 65724.

Almost surely, 2^2054621172 is an apocalyptic number.

It is an amenable number.

2054621172 is an abundant number, since it is smaller than the sum of its proper divisors (2741022604).

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

2054621172 is a wasteful number, since it uses less digits than its factorization.

2054621172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54567 (or 54565 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2054621172 is about 45327.9292710355. The cubic root of 2054621172 is about 1271.2879182609.

Adding to 2054621172 its reverse (2711264502), we get a palindrome (4765885674).

The spelling of 2054621172 in words is "two billion, fifty-four million, six hundred twenty-one thousand, one hundred seventy-two".