53505642 has 32 divisors (see below), whose sum is σ = 109330560. Its totient is φ = 17452800.

The previous prime is 53505607. The next prime is 53505649. The reversal of 53505642 is 24650535.

53505642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53505649) 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 15 ways as a sum of consecutive naturals, for example, 65734 + ... + 66542.

It is an arithmetic number, because the mean of its divisors is an integer number (3416580).

Almost surely, 2^53505642 is an apocalyptic number.

53505642 is an abundant number, since it is smaller than the sum of its proper divisors (55824918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53505642 is a wasteful number, since it uses less digits than its factorization.

53505642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 53505642 is about 7314.7550881762. The cubic root of 53505642 is about 376.8193474363.

The spelling of 53505642 in words is "fifty-three million, five hundred five thousand, six hundred forty-two".