52289913 has 8 divisors (see below), whose sum is σ = 75083008. Its totient is φ = 32178384.

The previous prime is 52289899. The next prime is 52289927. The reversal of 52289913 is 31998225.

It is an interprime number because it is at equal distance from previous prime (52289899) and next prime (52289927).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52289913 - 2⁹ = 52289401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1340767 = 52289913 / (5 + 2 + 2 + 8 + 9 + 9 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (52289933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670345 + ... + 670422.

It is an arithmetic number, because the mean of its divisors is an integer number (9385376).

Almost surely, 2^52289913 is an apocalyptic number.

It is an amenable number.

52289913 is a deficient number, since it is larger than the sum of its proper divisors (22793095).

52289913 is a wasteful number, since it uses less digits than its factorization.

52289913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340783.

The product of its digits is 38880, while the sum is 39.

The square root of 52289913 is about 7231.1764603002. The cubic root of 52289913 is about 373.9434866519.

The spelling of 52289913 in words is "fifty-two million, two hundred eighty-nine thousand, nine hundred thirteen".