52761749 has 4 divisors (see below), whose sum is σ = 52779936. Its totient is φ = 52743564.

The previous prime is 52761739. The next prime is 52761757. The reversal of 52761749 is 94716725.

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 52761749 - 2²⁰ = 51713173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52761739) 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, 3659 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (13194984).

Almost surely, 2^52761749 is an apocalyptic number.

It is an amenable number.

52761749 is a deficient number, since it is larger than the sum of its proper divisors (18187).

52761749 is a wasteful number, since it uses less digits than its factorization.

52761749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186.

The product of its digits is 105840, while the sum is 41.

The square root of 52761749 is about 7263.7283126505. The cubic root of 52761749 is about 375.0648752944.

The spelling of 52761749 in words is "fifty-two million, seven hundred sixty-one thousand, seven hundred forty-nine".