53147635 has 4 divisors (see below), whose sum is σ = 63777168. Its totient is φ = 42518104.

The previous prime is 53147599. The next prime is 53147657. The reversal of 53147635 is 53674135.

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

It is a cyclic number.

It is not a de Polignac number, because 53147635 - 2¹⁷ = 53016563 is a prime.

It is a super-2 number, since 2×53147635² = 5649342212186450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53147635.

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, 5314759 + ... + 5314768.

It is an arithmetic number, because the mean of its divisors is an integer number (15944292).

Almost surely, 2^53147635 is an apocalyptic number.

53147635 is a deficient number, since it is larger than the sum of its proper divisors (10629533).

53147635 is a wasteful number, since it uses less digits than its factorization.

53147635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10629532.

The product of its digits is 37800, while the sum is 34.

The square root of 53147635 is about 7290.2424513866. The cubic root of 53147635 is about 375.9770314738.

The spelling of 53147635 in words is "fifty-three million, one hundred forty-seven thousand, six hundred thirty-five".