52147964 has 12 divisors (see below), whose sum is σ = 99555288. Its totient is φ = 23703600.

The previous prime is 52147961. The next prime is 52147967. The reversal of 52147964 is 46974125.

It is an interprime number because it is at equal distance from previous prime (52147961) and next prime (52147967).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52147961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592547 + ... + 592634.

It is an arithmetic number, because the mean of its divisors is an integer number (8296274).

Almost surely, 2^52147964 is an apocalyptic number.

It is an amenable number.

52147964 is a deficient number, since it is larger than the sum of its proper divisors (47407324).

52147964 is a wasteful number, since it uses less digits than its factorization.

52147964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185196 (or 1185194 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 52147964 is about 7221.3547205493. The cubic root of 52147964 is about 373.6048043224.

The spelling of 52147964 in words is "fifty-two million, one hundred forty-seven thousand, nine hundred sixty-four".