53281695 has 16 divisors (see below), whose sum is σ = 86860512. Its totient is φ = 27880320.

The previous prime is 53281693. The next prime is 53281717. The reversal of 53281695 is 59618235.

It is not a de Polignac number, because 53281695 - 2¹ = 53281693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53281693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32716 + ... + 34305.

It is an arithmetic number, because the mean of its divisors is an integer number (5428782).

Almost surely, 2^53281695 is an apocalyptic number.

53281695 is a deficient number, since it is larger than the sum of its proper divisors (33578817).

53281695 is a wasteful number, since it uses less digits than its factorization.

53281695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67082.

The product of its digits is 64800, while the sum is 39.

The square root of 53281695 is about 7299.4311422192. The cubic root of 53281695 is about 376.2928884933.

The spelling of 53281695 in words is "fifty-three million, two hundred eighty-one thousand, six hundred ninety-five".