53059749 has 4 divisors (see below), whose sum is σ = 70746336. Its totient is φ = 35373164.

The previous prime is 53059733. The next prime is 53059751. The reversal of 53059749 is 94795035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53059749 - 2⁴ = 53059733 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53059749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53059789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8843289 + ... + 8843294.

It is an arithmetic number, because the mean of its divisors is an integer number (17686584).

Almost surely, 2^53059749 is an apocalyptic number.

It is an amenable number.

53059749 is a deficient number, since it is larger than the sum of its proper divisors (17686587).

53059749 is a wasteful number, since it uses less digits than its factorization.

53059749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17686586.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 53059749 is about 7284.2123115681. The cubic root of 53059749 is about 375.7696760714.

The spelling of 53059749 in words is "fifty-three million, fifty-nine thousand, seven hundred forty-nine".