54171131 has 4 divisors (see below), whose sum is σ = 61909872. Its totient is φ = 46432392.

The previous prime is 54171121. The next prime is 54171133. The reversal of 54171131 is 13117145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13117145 = 5 ⋅2623429.

It is a cyclic number.

It is not a de Polignac number, because 54171131 - 2¹⁴ = 54154747 is a prime.

It is a super-2 number, since 2×54171131² = 5869022867638322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54171097 and 54171106.

It is not an unprimeable number, because it can be changed into a prime (54171133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869360 + ... + 3869373.

It is an arithmetic number, because the mean of its divisors is an integer number (15477468).

Almost surely, 2^54171131 is an apocalyptic number.

54171131 is a deficient number, since it is larger than the sum of its proper divisors (7738741).

54171131 is an equidigital number, since it uses as much as digits as its factorization.

54171131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738740.

The product of its digits is 420, while the sum is 23.

The square root of 54171131 is about 7360.1040074173. The cubic root of 54171131 is about 378.3751745704.

Adding to 54171131 its reverse (13117145), we get a palindrome (67288276).

The spelling of 54171131 in words is "fifty-four million, one hundred seventy-one thousand, one hundred thirty-one".