52764649 has 4 divisors (see below), whose sum is σ = 60302464. Its totient is φ = 45226836.

The previous prime is 52764643. The next prime is 52764671. The reversal of 52764649 is 94646725.

It is a happy number.

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 52764649 - 2¹⁹ = 52240361 is a prime.

It is a super-3 number, since 3×52764649³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52764643) 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, 3768897 + ... + 3768910.

It is an arithmetic number, because the mean of its divisors is an integer number (15075616).

Almost surely, 2^52764649 is an apocalyptic number.

It is an amenable number.

52764649 is a deficient number, since it is larger than the sum of its proper divisors (7537815).

52764649 is an equidigital number, since it uses as much as digits as its factorization.

52764649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537814.

The product of its digits is 362880, while the sum is 43.

The square root of 52764649 is about 7263.9279319112. The cubic root of 52764649 is about 375.0717468648.

The spelling of 52764649 in words is "fifty-two million, seven hundred sixty-four thousand, six hundred forty-nine".