54671831 has 2 divisors, whose sum is σ = 54671832. Its totient is φ = 54671830.

The previous prime is 54671821. The next prime is 54671833. The reversal of 54671831 is 13817645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54671831 - 2¹⁰ = 54670807 is a prime.

It is a super-2 number, since 2×54671831² = 5978018209785122, which contains 22 as substring.

Together with 54671833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54671791 and 54671800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54671833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27335915 + 27335916.

It is an arithmetic number, because the mean of its divisors is an integer number (27335916).

Almost surely, 2^54671831 is an apocalyptic number.

54671831 is a deficient number, since it is larger than the sum of its proper divisors (1).

54671831 is an equidigital number, since it uses as much as digits as its factorization.

54671831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 54671831 is about 7394.0402352165. The cubic root of 54671831 is about 379.5373663549.

The spelling of 54671831 in words is "fifty-four million, six hundred seventy-one thousand, eight hundred thirty-one".