53518547 has 2 divisors, whose sum is σ = 53518548. Its totient is φ = 53518546.

The previous prime is 53518541. The next prime is 53518561. The reversal of 53518547 is 74581535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53518547 - 2⁸ = 53518291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53518547.

It is not a weakly prime, because it can be changed into another prime (53518541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26759273 + 26759274.

It is an arithmetic number, because the mean of its divisors is an integer number (26759274).

Almost surely, 2^53518547 is an apocalyptic number.

53518547 is a deficient number, since it is larger than the sum of its proper divisors (1).

53518547 is an equidigital number, since it uses as much as digits as its factorization.

53518547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 53518547 is about 7315.6371561198. The cubic root of 53518547 is about 376.8496399599.

The spelling of 53518547 in words is "fifty-three million, five hundred eighteen thousand, five hundred forty-seven".