54871291 has 4 divisors (see below), whose sum is σ = 58099032. Its totient is φ = 51643552.

The previous prime is 54871283. The next prime is 54871301. The reversal of 54871291 is 19217845.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54871291 - 2³ = 54871283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54871291.

It is not an unprimeable number, because it can be changed into a prime (54872291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613845 + ... + 1613878.

It is an arithmetic number, because the mean of its divisors is an integer number (14524758).

Almost surely, 2^54871291 is an apocalyptic number.

54871291 is a deficient number, since it is larger than the sum of its proper divisors (3227741).

54871291 is a wasteful number, since it uses less digits than its factorization.

54871291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227740.

The product of its digits is 20160, while the sum is 37.

The square root of 54871291 is about 7407.5158454100. The cubic root of 54871291 is about 379.9983633355.

The spelling of 54871291 in words is "fifty-four million, eight hundred seventy-one thousand, two hundred ninety-one".