53530836 has 12 divisors (see below), whose sum is σ = 124905312. Its totient is φ = 17843608.

The previous prime is 53530819. The next prime is 53530837. The reversal of 53530836 is 63803535.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53530797 and 53530806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230440 + ... + 2230463.

It is an arithmetic number, because the mean of its divisors is an integer number (10408776).

Almost surely, 2^53530836 is an apocalyptic number.

It is an amenable number.

53530836 is an abundant number, since it is smaller than the sum of its proper divisors (71374476).

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

53530836 is a wasteful number, since it uses less digits than its factorization.

53530836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460910 (or 4460908 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 53530836 is about 7316.4770210806. The cubic root of 53530836 is about 376.8784819911.

The spelling of 53530836 in words is "fifty-three million, five hundred thirty thousand, eight hundred thirty-six".