53442655 has 8 divisors (see below), whose sum is σ = 73292832. Its totient is φ = 36646368.

The previous prime is 53442589. The next prime is 53442659. The reversal of 53442655 is 55624435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53442655 - 2⁹ = 53442143 is a prime.

It is a super-2 number, since 2×53442655² = 5712234746898050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53442655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442659) 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 7 ways as a sum of consecutive naturals, for example, 763432 + ... + 763501.

It is an arithmetic number, because the mean of its divisors is an integer number (9161604).

Almost surely, 2^53442655 is an apocalyptic number.

53442655 is a deficient number, since it is larger than the sum of its proper divisors (19850177).

53442655 is a wasteful number, since it uses less digits than its factorization.

53442655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526945.

The product of its digits is 72000, while the sum is 34.

The square root of 53442655 is about 7310.4483446640. The cubic root of 53442655 is about 376.6714250928.

The spelling of 53442655 in words is "fifty-three million, four hundred forty-two thousand, six hundred fifty-five".