54132649 has 2 divisors, whose sum is σ = 54132650. Its totient is φ = 54132648.

The previous prime is 54132619. The next prime is 54132703. The reversal of 54132649 is 94623145.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 257049 = 7340^2 + 507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54132649 is a prime.

It is not a weakly prime, because it can be changed into another prime (54132619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27066324 + 27066325.

It is an arithmetic number, because the mean of its divisors is an integer number (27066325).

Almost surely, 2^54132649 is an apocalyptic number.

It is an amenable number.

54132649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54132649 is an equidigital number, since it uses as much as digits as its factorization.

54132649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 54132649 is about 7357.4893136178. The cubic root of 54132649 is about 378.2855568323.

The spelling of 54132649 in words is "fifty-four million, one hundred thirty-two thousand, six hundred forty-nine".