54149633 has 2 divisors, whose sum is σ = 54149634. Its totient is φ = 54149632.

The previous prime is 54149629. The next prime is 54149651. The reversal of 54149633 is 33694145.

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., 38093584 + 16056049 = 6172^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 54149633 - 2² = 54149629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54149593 and 54149602.

It is not a weakly prime, because it can be changed into another prime (54149933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27074816 + 27074817.

It is an arithmetic number, because the mean of its divisors is an integer number (27074817).

Almost surely, 2^54149633 is an apocalyptic number.

It is an amenable number.

54149633 is a deficient number, since it is larger than the sum of its proper divisors (1).

54149633 is an equidigital number, since it uses as much as digits as its factorization.

54149633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 54149633 is about 7358.6434211749. The cubic root of 54149633 is about 378.3251147837.

The spelling of 54149633 in words is "fifty-four million, one hundred forty-nine thousand, six hundred thirty-three".