53156347 has 2 divisors, whose sum is σ = 53156348. Its totient is φ = 53156346.

The previous prime is 53156339. The next prime is 53156371. The reversal of 53156347 is 74365135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53156347 - 2³ = 53156339 is a prime.

It is not a weakly prime, because it can be changed into another prime (53156317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26578173 + 26578174.

It is an arithmetic number, because the mean of its divisors is an integer number (26578174).

Almost surely, 2^53156347 is an apocalyptic number.

53156347 is a deficient number, since it is larger than the sum of its proper divisors (1).

53156347 is an equidigital number, since it uses as much as digits as its factorization.

53156347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 53156347 is about 7290.8399378947. The cubic root of 53156347 is about 375.9975738300.

The spelling of 53156347 in words is "fifty-three million, one hundred fifty-six thousand, three hundred forty-seven".