52197871 has 16 divisors (see below), whose sum is σ = 61585920. Its totient is φ = 43703680.

The previous prime is 52197863. The next prime is 52197919. The reversal of 52197871 is 17879125.

It is a cyclic number.

It is not a de Polignac number, because 52197871 - 2³ = 52197863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52197841) 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 15 ways as a sum of consecutive naturals, for example, 5820 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (3849120).

Almost surely, 2^52197871 is an apocalyptic number.

52197871 is a deficient number, since it is larger than the sum of its proper divisors (9388049).

52197871 is a wasteful number, since it uses less digits than its factorization.

52197871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014.

The product of its digits is 35280, while the sum is 40.

The square root of 52197871 is about 7224.8094092509. The cubic root of 52197871 is about 373.7239495943.

The spelling of 52197871 in words is "fifty-two million, one hundred ninety-seven thousand, eight hundred seventy-one".