54609131 has 2 divisors, whose sum is σ = 54609132. Its totient is φ = 54609130.

The previous prime is 54609127. The next prime is 54609169. The reversal of 54609131 is 13190645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54609131 - 2² = 54609127 is a prime.

It is a super-2 number, since 2×54609131² = 5964314377150322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3260297 and since 54609131 and 3260297 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 54609094 and 54609103.

It is not a weakly prime, because it can be changed into another prime (54609431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27304565 + 27304566.

It is an arithmetic number, because the mean of its divisors is an integer number (27304566).

Almost surely, 2^54609131 is an apocalyptic number.

54609131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54609131 is an equidigital number, since it uses as much as digits as its factorization.

54609131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 54609131 is about 7389.7991177027. The cubic root of 54609131 is about 379.3922209459.

Adding to 54609131 its reverse (13190645), we get a palindrome (67799776).

The spelling of 54609131 in words is "fifty-four million, six hundred nine thousand, one hundred thirty-one".