54171556 has 12 divisors (see below), whose sum is σ = 94922800. Its totient is φ = 27050760.

The previous prime is 54171521. The next prime is 54171563. The reversal of 54171556 is 65517145.

It is a super-3 number, since 3×54171556³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 5106 + ... + 11593.

Almost surely, 2^54171556 is an apocalyptic number.

It is an amenable number.

54171556 is a deficient number, since it is larger than the sum of its proper divisors (40751244).

54171556 is a wasteful number, since it uses less digits than its factorization.

54171556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17514 (or 17512 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 54171556 is about 7360.1328792353. The cubic root of 54171556 is about 378.3761640828.

The spelling of 54171556 in words is "fifty-four million, one hundred seventy-one thousand, five hundred fifty-six".