53889505 has 8 divisors (see below), whose sum is σ = 64800000. Its totient is φ = 43023216.

The previous prime is 53889503. The next prime is 53889509. The reversal of 53889505 is 50598835.

It is a happy number.

53889505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53889505 - 2¹ = 53889503 is a prime.

It is a super-3 number, since 3×53889505³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53889503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8305 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (8100000).

Almost surely, 2^53889505 is an apocalyptic number.

It is an amenable number.

53889505 is a deficient number, since it is larger than the sum of its proper divisors (10910495).

53889505 is a wasteful number, since it uses less digits than its factorization.

53889505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 53889505 is about 7340.9471459751. The cubic root of 53889505 is about 377.7183334156.

The spelling of 53889505 in words is "fifty-three million, eight hundred eighty-nine thousand, five hundred five".