53128695 has 16 divisors (see below), whose sum is σ = 85168512. Its totient is φ = 28281120.

The previous prime is 53128681. The next prime is 53128697. The reversal of 53128695 is 59682135.

It is not a de Polignac number, because 53128695 - 2⁷ = 53128567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53128697) 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 15 ways as a sum of consecutive naturals, for example, 5464 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (5323032).

Almost surely, 2^53128695 is an apocalyptic number.

53128695 is a deficient number, since it is larger than the sum of its proper divisors (32039817).

53128695 is a wasteful number, since it uses less digits than its factorization.

53128695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782.

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

The square root of 53128695 is about 7288.9433390581. The cubic root of 53128695 is about 375.9323643810.

The spelling of 53128695 in words is "fifty-three million, one hundred twenty-eight thousand, six hundred ninety-five".