53126999 has 4 divisors (see below), whose sum is σ = 53178600. Its totient is φ = 53075400.

The previous prime is 53126977. The next prime is 53127001. The reversal of 53126999 is 99962135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53126999 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 (53126599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24224 + ... + 26325.

It is an arithmetic number, because the mean of its divisors is an integer number (13294650).

Almost surely, 2^53126999 is an apocalyptic number.

53126999 is a deficient number, since it is larger than the sum of its proper divisors (51601).

53126999 is a wasteful number, since it uses less digits than its factorization.

53126999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51600.

The product of its digits is 131220, while the sum is 44.

The square root of 53126999 is about 7288.8269975353. The cubic root of 53126999 is about 375.9283641066.

The spelling of 53126999 in words is "fifty-three million, one hundred twenty-six thousand, nine hundred ninety-nine".