52155193 has 4 divisors (see below), whose sum is σ = 52174080. Its totient is φ = 52136308.

The previous prime is 52155143. The next prime is 52155199. The reversal of 52155193 is 39155125.

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 a de Polignac number, because none of the positive numbers 2^k-52155193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52155199) 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, 4405 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (13043520).

Almost surely, 2^52155193 is an apocalyptic number.

It is an amenable number.

52155193 is a deficient number, since it is larger than the sum of its proper divisors (18887).

52155193 is a wasteful number, since it uses less digits than its factorization.

52155193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886.

The product of its digits is 6750, while the sum is 31.

The square root of 52155193 is about 7221.8552325562. The cubic root of 52155193 is about 373.6220671525.

The spelling of 52155193 in words is "fifty-two million, one hundred fifty-five thousand, one hundred ninety-three".