53645052 has 12 divisors (see below), whose sum is σ = 125171816. Its totient is φ = 17881680.

The previous prime is 53645023. The next prime is 53645069. The reversal of 53645052 is 25054635.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235199 + ... + 2235222.

Almost surely, 2^53645052 is an apocalyptic number.

It is an amenable number.

53645052 is an abundant number, since it is smaller than the sum of its proper divisors (71526764).

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

53645052 is a wasteful number, since it uses less digits than its factorization.

53645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470428 (or 4470426 counting only the distinct ones).

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

The square root of 53645052 is about 7324.2782579583. The cubic root of 53645052 is about 377.1463336784.

Adding to 53645052 its reverse (25054635), we get a palindrome (78699687).

The spelling of 53645052 in words is "fifty-three million, six hundred forty-five thousand, fifty-two".