53156147 has 8 divisors (see below), whose sum is σ = 58469232. Its totient is φ = 48322560.

The previous prime is 53156141. The next prime is 53156171. The reversal of 53156147 is 74165135.

53156147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53156147 - 2⁶ = 53156083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53156141) 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 7 ways as a sum of consecutive naturals, for example, 18638 + ... + 21299.

It is an arithmetic number, because the mean of its divisors is an integer number (7308654).

Almost surely, 2^53156147 is an apocalyptic number.

53156147 is a deficient number, since it is larger than the sum of its proper divisors (5313085).

53156147 is an equidigital number, since it uses as much as digits as its factorization.

53156147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39970 (or 39948 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 53156147 is about 7290.8262220410. The cubic root of 53156147 is about 375.9971022675.

The spelling of 53156147 in words is "fifty-three million, one hundred fifty-six thousand, one hundred forty-seven".