54871191 has 12 divisors (see below), whose sum is σ = 80442232. Its totient is φ = 36034416.

The previous prime is 54871177. The next prime is 54871213. The reversal of 54871191 is 19117845.

It is not a de Polignac number, because 54871191 - 2¹⁵ = 54838423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54879191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44896 + ... + 46101.

Almost surely, 2^54871191 is an apocalyptic number.

54871191 is a deficient number, since it is larger than the sum of its proper divisors (25571041).

54871191 is a wasteful number, since it uses less digits than its factorization.

54871191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91070 (or 91067 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 54871191 is about 7407.5090955057. The cubic root of 54871191 is about 379.9981324931.

The spelling of 54871191 in words is "fifty-four million, eight hundred seventy-one thousand, one hundred ninety-one".