53113547 has 2 divisors, whose sum is σ = 53113548. Its totient is φ = 53113546.

The previous prime is 53113523. The next prime is 53113591. The reversal of 53113547 is 74531135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53113547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53113597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556773 + 26556774.

It is an arithmetic number, because the mean of its divisors is an integer number (26556774).

Almost surely, 2^53113547 is an apocalyptic number.

53113547 is a deficient number, since it is larger than the sum of its proper divisors (1).

53113547 is an equidigital number, since it uses as much as digits as its factorization.

53113547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 53113547 is about 7287.9041568890. The cubic root of 53113547 is about 375.8966324992.

The spelling of 53113547 in words is "fifty-three million, one hundred thirteen thousand, five hundred forty-seven".