53999067 has 4 divisors (see below), whose sum is σ = 71998760. Its totient is φ = 35999376.

The previous prime is 53999063. The next prime is 53999069. The reversal of 53999067 is 76099935.

It is a happy number.

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

It is not a de Polignac number, because 53999067 - 2² = 53999063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53999063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8999842 + ... + 8999847.

It is an arithmetic number, because the mean of its divisors is an integer number (17999690).

Almost surely, 2^53999067 is an apocalyptic number.

53999067 is a deficient number, since it is larger than the sum of its proper divisors (17999693).

53999067 is a wasteful number, since it uses less digits than its factorization.

53999067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17999692.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 53999067 is about 7348.4057454662. The cubic root of 53999067 is about 377.9741380923.

The spelling of 53999067 in words is "fifty-three million, nine hundred ninety-nine thousand, sixty-seven".