53471147 has 2 divisors, whose sum is σ = 53471148. Its totient is φ = 53471146.

The previous prime is 53471129. The next prime is 53471161. The reversal of 53471147 is 74117435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53471147 - 2⁶ = 53471083 is a prime.

It is a super-2 number, since 2×53471147² = 5718327122991218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53471107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26735573 + 26735574.

It is an arithmetic number, because the mean of its divisors is an integer number (26735574).

Almost surely, 2^53471147 is an apocalyptic number.

53471147 is a deficient number, since it is larger than the sum of its proper divisors (1).

53471147 is an equidigital number, since it uses as much as digits as its factorization.

53471147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 53471147 is about 7312.3968026906. The cubic root of 53471147 is about 376.7383517553.

The spelling of 53471147 in words is "fifty-three million, four hundred seventy-one thousand, one hundred forty-seven".