53475185 has 4 divisors (see below), whose sum is σ = 64170228. Its totient is φ = 42780144.

The previous prime is 53475173. The next prime is 53475199. The reversal of 53475185 is 58157435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16654561 + 36820624 = 4081^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 53475185 - 2¹⁶ = 53409649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5347514 + ... + 5347523.

It is an arithmetic number, because the mean of its divisors is an integer number (16042557).

Almost surely, 2^53475185 is an apocalyptic number.

It is an amenable number.

53475185 is a deficient number, since it is larger than the sum of its proper divisors (10695043).

53475185 is a wasteful number, since it uses less digits than its factorization.

53475185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10695042.

The product of its digits is 84000, while the sum is 38.

The square root of 53475185 is about 7312.6729039388. The cubic root of 53475185 is about 376.7478349455.

The spelling of 53475185 in words is "fifty-three million, four hundred seventy-five thousand, one hundred eighty-five".