52143475 has 6 divisors (see below), whose sum is σ = 64657940. Its totient is φ = 41714760.

The previous prime is 52143473. The next prime is 52143499. The reversal of 52143475 is 57434125.

It is not a de Polignac number, because 52143475 - 2¹ = 52143473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52143473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1042845 + ... + 1042894.

Almost surely, 2^52143475 is an apocalyptic number.

52143475 is a deficient number, since it is larger than the sum of its proper divisors (12514465).

52143475 is a wasteful number, since it uses less digits than its factorization.

52143475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085749 (or 2085744 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 52143475 is about 7221.0438996034. The cubic root of 52143475 is about 373.5940838010.

The spelling of 52143475 in words is "fifty-two million, one hundred forty-three thousand, four hundred seventy-five".