52664619 has 16 divisors (see below), whose sum is σ = 80736768. Its totient is φ = 29911872.

The previous prime is 52664611. The next prime is 52664627. The reversal of 52664619 is 91646625.

52664619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52664611) and next prime (52664627).

It is not a de Polignac number, because 52664619 - 2³ = 52664611 is a prime.

It is a super-2 number, since 2×52664619² = 5547124188830322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52664611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4002 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (5046048).

Almost surely, 2^52664619 is an apocalyptic number.

52664619 is a deficient number, since it is larger than the sum of its proper divisors (28072149).

52664619 is a wasteful number, since it uses less digits than its factorization.

52664619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194.

The product of its digits is 77760, while the sum is 39.

The square root of 52664619 is about 7257.0392723204. The cubic root of 52664619 is about 374.8345794846.

The spelling of 52664619 in words is "fifty-two million, six hundred sixty-four thousand, six hundred nineteen".