53646147 has 6 divisors (see below), whose sum is σ = 77488892. Its totient is φ = 35764092.

The previous prime is 53646119. The next prime is 53646161. The reversal of 53646147 is 74164635.

It is a happy number.

53646147 is a `hidden beast` number, since 5 + 3 + 646 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 53646147 - 2⁶ = 53646083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53646107) 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, 2980333 + ... + 2980350.

Almost surely, 2^53646147 is an apocalyptic number.

53646147 is a deficient number, since it is larger than the sum of its proper divisors (23842745).

53646147 is a wasteful number, since it uses less digits than its factorization.

53646147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960689 (or 5960686 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 53646147 is about 7324.3530089695. The cubic root of 53646147 is about 377.1488997581.

It can be divided in two parts, 5364 and 6147, that added together give a palindrome (11511).

The spelling of 53646147 in words is "fifty-three million, six hundred forty-six thousand, one hundred forty-seven".