53543530 has 8 divisors (see below), whose sum is σ = 96378372. Its totient is φ = 21417408.

The previous prime is 53543507. The next prime is 53543531. The reversal of 53543530 is 3534535.

It can be written as a sum of positive squares in 2 ways, for example, as 53538489 + 5041 = 7317^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53543531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2677167 + ... + 2677186.

Almost surely, 2^53543530 is an apocalyptic number.

53543530 is a deficient number, since it is larger than the sum of its proper divisors (42834842).

53543530 is a wasteful number, since it uses less digits than its factorization.

53543530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354360.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 53543530 is about 7317.3444636699. The cubic root of 53543530 is about 376.9082699146.

The spelling of 53543530 in words is "fifty-three million, five hundred forty-three thousand, five hundred thirty".