53642147 has 8 divisors (see below), whose sum is σ = 57969744. Its totient is φ = 49343328.

The previous prime is 53642131. The next prime is 53642167. The reversal of 53642147 is 74124635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53642147 - 2⁴ = 53642131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53642107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3233 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (7246218).

Almost surely, 2^53642147 is an apocalyptic number.

53642147 is a deficient number, since it is larger than the sum of its proper divisors (4327597).

53642147 is a wasteful number, since it uses less digits than its factorization.

53642147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14389.

The product of its digits is 20160, while the sum is 32.

The square root of 53642147 is about 7324.0799422180. The cubic root of 53642147 is about 377.1395257820.

The spelling of 53642147 in words is "fifty-three million, six hundred forty-two thousand, one hundred forty-seven".