53431475 has 6 divisors (see below), whose sum is σ = 66255060. Its totient is φ = 42745160.

The previous prime is 53431463. The next prime is 53431481. The reversal of 53431475 is 57413435.

It is a de Polignac number, because none of the positive numbers 2^k-53431475 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1068605 + ... + 1068654.

It is an arithmetic number, because the mean of its divisors is an integer number (11042510).

Almost surely, 2^53431475 is an apocalyptic number.

53431475 is a deficient number, since it is larger than the sum of its proper divisors (12823585).

53431475 is a wasteful number, since it uses less digits than its factorization.

53431475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137269 (or 2137264 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 53431475 is about 7309.6836456854. The cubic root of 53431475 is about 376.6451571849.

The spelling of 53431475 in words is "fifty-three million, four hundred thirty-one thousand, four hundred seventy-five".