53887507 has 2 divisors, whose sum is σ = 53887508. Its totient is φ = 53887506.

The previous prime is 53887469. The next prime is 53887511. The reversal of 53887507 is 70578835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53887507 - 2¹¹ = 53885459 is a prime.

It is not a weakly prime, because it can be changed into another prime (53887567) 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, 26943753 + 26943754.

It is an arithmetic number, because the mean of its divisors is an integer number (26943754).

Almost surely, 2^53887507 is an apocalyptic number.

53887507 is a deficient number, since it is larger than the sum of its proper divisors (1).

53887507 is an equidigital number, since it uses as much as digits as its factorization.

53887507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 53887507 is about 7340.8110587319. The cubic root of 53887507 is about 377.7136652799.

The spelling of 53887507 in words is "fifty-three million, eight hundred eighty-seven thousand, five hundred seven".