54512537 has 2 divisors, whose sum is σ = 54512538. Its totient is φ = 54512536.

The previous prime is 54512509. The next prime is 54512543. The reversal of 54512537 is 73521545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36228361 + 18284176 = 6019^2 + 4276^2 .

It is a cyclic number.

It is not a de Polignac number, because 54512537 - 2⁸ = 54512281 is a prime.

It is equal to p_3254846 and since 54512537 and 3254846 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54512587) 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 as a sum of consecutive naturals, namely, 27256268 + 27256269.

It is an arithmetic number, because the mean of its divisors is an integer number (27256269).

Almost surely, 2^54512537 is an apocalyptic number.

It is an amenable number.

54512537 is a deficient number, since it is larger than the sum of its proper divisors (1).

54512537 is an equidigital number, since it uses as much as digits as its factorization.

54512537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 32.

The square root of 54512537 is about 7383.2605940736. The cubic root of 54512537 is about 379.1683961010.

The spelling of 54512537 in words is "fifty-four million, five hundred twelve thousand, five hundred thirty-seven".