53545699 has 4 divisors (see below), whose sum is σ = 56695464. Its totient is φ = 50395936.

The previous prime is 53545669. The next prime is 53545717. The reversal of 53545699 is 99654535.

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

It is a cyclic number.

It is not a de Polignac number, because 53545699 - 2¹³ = 53537507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53545619) 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, 1574857 + ... + 1574890.

It is an arithmetic number, because the mean of its divisors is an integer number (14173866).

Almost surely, 2^53545699 is an apocalyptic number.

53545699 is a deficient number, since it is larger than the sum of its proper divisors (3149765).

53545699 is a wasteful number, since it uses less digits than its factorization.

53545699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149764.

The product of its digits is 729000, while the sum is 46.

The square root of 53545699 is about 7317.4926716738. The cubic root of 53545699 is about 376.9133592503.

The spelling of 53545699 in words is "fifty-three million, five hundred forty-five thousand, six hundred ninety-nine".