53949451 has 2 divisors, whose sum is σ = 53949452. Its totient is φ = 53949450.

The previous prime is 53949433. The next prime is 53949457. The reversal of 53949451 is 15494935.

53949451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53949451 - 2⁷ = 53949323 is a prime.

It is not a weakly prime, because it can be changed into another prime (53949457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26974725 + 26974726.

It is an arithmetic number, because the mean of its divisors is an integer number (26974726).

Almost surely, 2^53949451 is an apocalyptic number.

53949451 is a deficient number, since it is larger than the sum of its proper divisors (1).

53949451 is an equidigital number, since it uses as much as digits as its factorization.

53949451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 53949451 is about 7345.0289992620. The cubic root of 53949451 is about 377.8583378721.

The spelling of 53949451 in words is "fifty-three million, nine hundred forty-nine thousand, four hundred fifty-one".