53449967 has 4 divisors (see below), whose sum is σ = 53679600. Its totient is φ = 53220336.

The previous prime is 53449961. The next prime is 53449973. The reversal of 53449967 is 76994435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53449961) and next prime (53449973).

It is a cyclic number.

It is not a de Polignac number, because 53449967 - 2¹⁶ = 53384431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53449961) 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 in 3 ways as a sum of consecutive naturals, for example, 114467 + ... + 114932.

It is an arithmetic number, because the mean of its divisors is an integer number (13419900).

Almost surely, 2^53449967 is an apocalyptic number.

53449967 is a deficient number, since it is larger than the sum of its proper divisors (229633).

53449967 is a wasteful number, since it uses less digits than its factorization.

53449967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229632.

The product of its digits is 816480, while the sum is 47.

The square root of 53449967 is about 7310.9484336849. The cubic root of 53449967 is about 376.6886029810.

The spelling of 53449967 in words is "fifty-three million, four hundred forty-nine thousand, nine hundred sixty-seven".