53471687 has 2 divisors, whose sum is σ = 53471688. Its totient is φ = 53471686.

The previous prime is 53471669. The next prime is 53471689. The reversal of 53471687 is 78617435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53471687 - 2¹⁸ = 53209543 is a prime.

Together with 53471689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53471689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26735843 + 26735844.

It is an arithmetic number, because the mean of its divisors is an integer number (26735844).

Almost surely, 2^53471687 is an apocalyptic number.

53471687 is a deficient number, since it is larger than the sum of its proper divisors (1).

53471687 is an equidigital number, since it uses as much as digits as its factorization.

53471687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 53471687 is about 7312.4337261954. The cubic root of 53471687 is about 376.7396199659.

The spelling of 53471687 in words is "fifty-three million, four hundred seventy-one thousand, six hundred eighty-seven".