53155532 has 36 divisors (see below), whose sum is σ = 101405304. Its totient is φ = 24295680.

The previous prime is 53155523. The next prime is 53155547. The reversal of 53155532 is 23555135.

53155532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53155495 and 53155504.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 92807 + ... + 93377.

It is an arithmetic number, because the mean of its divisors is an integer number (2816814).

Almost surely, 2^53155532 is an apocalyptic number.

It is an amenable number.

53155532 is a deficient number, since it is larger than the sum of its proper divisors (48249772).

53155532 is a wasteful number, since it uses less digits than its factorization.

53155532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 627 counting only the distinct ones).

The product of its digits is 11250, while the sum is 29.

The square root of 53155532 is about 7290.7840456291. The cubic root of 53155532 is about 375.9956522056.

The spelling of 53155532 in words is "fifty-three million, one hundred fifty-five thousand, five hundred thirty-two".