53267587 has 2 divisors, whose sum is σ = 53267588. Its totient is φ = 53267586.

The previous prime is 53267551. The next prime is 53267639. The reversal of 53267587 is 78576235.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53267587 is a prime.

It is not a weakly prime, because it can be changed into another prime (53267387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26633793 + 26633794.

It is an arithmetic number, because the mean of its divisors is an integer number (26633794).

Almost surely, 2^53267587 is an apocalyptic number.

53267587 is a deficient number, since it is larger than the sum of its proper divisors (1).

53267587 is an equidigital number, since it uses as much as digits as its factorization.

53267587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 53267587 is about 7298.4647015657. The cubic root of 53267587 is about 376.2596737799.

The spelling of 53267587 in words is "fifty-three million, two hundred sixty-seven thousand, five hundred eighty-seven".