53238655 has 4 divisors (see below), whose sum is σ = 63886392. Its totient is φ = 42590920.

The previous prime is 53238637. The next prime is 53238667. The reversal of 53238655 is 55683235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55683235 = 5 ⋅11136647.

It is not a de Polignac number, because 53238655 - 2¹⁷ = 53107583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5323861 + ... + 5323870.

It is an arithmetic number, because the mean of its divisors is an integer number (15971598).

Almost surely, 2^53238655 is an apocalyptic number.

53238655 is a deficient number, since it is larger than the sum of its proper divisors (10647737).

53238655 is a wasteful number, since it uses less digits than its factorization.

53238655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647736.

The product of its digits is 108000, while the sum is 37.

The square root of 53238655 is about 7296.4823716638. The cubic root of 53238655 is about 376.1915403116.

The spelling of 53238655 in words is "fifty-three million, two hundred thirty-eight thousand, six hundred fifty-five".