52153869 has 4 divisors (see below), whose sum is σ = 69538496. Its totient is φ = 34769244.

The previous prime is 52153867. The next prime is 52153877. The reversal of 52153869 is 96835125.

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 not a de Polignac number, because 52153869 - 2¹ = 52153867 is a prime.

It is a super-2 number, since 2×52153869² = 5440052103338322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52153867) 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, 8692309 + ... + 8692314.

It is an arithmetic number, because the mean of its divisors is an integer number (17384624).

Almost surely, 2^52153869 is an apocalyptic number.

It is an amenable number.

52153869 is a deficient number, since it is larger than the sum of its proper divisors (17384627).

52153869 is a wasteful number, since it uses less digits than its factorization.

52153869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17384626.

The product of its digits is 64800, while the sum is 39.

The square root of 52153869 is about 7221.7635657781. The cubic root of 52153869 is about 373.6189055639.

The spelling of 52153869 in words is "fifty-two million, one hundred fifty-three thousand, eight hundred sixty-nine".