53831567 has 2 divisors, whose sum is σ = 53831568. Its totient is φ = 53831566.

The previous prime is 53831543. The next prime is 53831573. The reversal of 53831567 is 76513835.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53831567 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53831567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53831507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26915783 + 26915784.

It is an arithmetic number, because the mean of its divisors is an integer number (26915784).

Almost surely, 2^53831567 is an apocalyptic number.

53831567 is a deficient number, since it is larger than the sum of its proper divisors (1).

53831567 is an equidigital number, since it uses as much as digits as its factorization.

53831567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 53831567 is about 7336.9998637045. Note that the first 3 decimals coincide. The cubic root of 53831567 is about 377.5829199601.

The spelling of 53831567 in words is "fifty-three million, eight hundred thirty-one thousand, five hundred sixty-seven".