53008147 has 4 divisors (see below), whose sum is σ = 53734360. Its totient is φ = 52281936.

The previous prime is 53008127. The next prime is 53008211. The reversal of 53008147 is 74180035.

53008147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53008147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53008127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362997 + ... + 363142.

It is an arithmetic number, because the mean of its divisors is an integer number (13433590).

Almost surely, 2^53008147 is an apocalyptic number.

53008147 is a deficient number, since it is larger than the sum of its proper divisors (726213).

53008147 is an equidigital number, since it uses as much as digits as its factorization.

53008147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726212.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 53008147 is about 7280.6694060368. The cubic root of 53008147 is about 375.6478212662.

The spelling of 53008147 in words is "fifty-three million, eight thousand, one hundred forty-seven".