53245687 has 6 divisors (see below), whose sum is σ = 58526384. Its totient is φ = 48405060.

The previous prime is 53245589. The next prime is 53245691. The reversal of 53245687 is 78654235.

It is not a de Polignac number, because 53245687 - 2⁷ = 53245559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53245697) 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 in 5 ways as a sum of consecutive naturals, for example, 219903 + ... + 220144.

Almost surely, 2^53245687 is an apocalyptic number.

53245687 is a deficient number, since it is larger than the sum of its proper divisors (5280697).

53245687 is a wasteful number, since it uses less digits than its factorization.

53245687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440069 (or 440058 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 53245687 is about 7296.9642317884. The cubic root of 53245687 is about 376.2081026035.

It can be divided in two parts, 5324 and 5687, that added together give a palindrome (11011).

The spelling of 53245687 in words is "fifty-three million, two hundred forty-five thousand, six hundred eighty-seven".