53645534 has 16 divisors (see below), whose sum is σ = 83574720. Its totient is φ = 25794720.

The previous prime is 53645519. The next prime is 53645539. The reversal of 53645534 is 43554635.

53645534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53645494 and 53645503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53645539) 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, 14012 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (5223420).

Almost surely, 2^53645534 is an apocalyptic number.

53645534 is a deficient number, since it is larger than the sum of its proper divisors (29929186).

53645534 is a wasteful number, since it uses less digits than its factorization.

53645534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its digits is 108000, while the sum is 35.

The square root of 53645534 is about 7324.3111621503. The cubic root of 53645534 is about 377.1474632265.

The spelling of 53645534 in words is "fifty-three million, six hundred forty-five thousand, five hundred thirty-four".