53285538 has 16 divisors (see below), whose sum is σ = 112180320. Its totient is φ = 16826976.

The previous prime is 53285537. The next prime is 53285581. The reversal of 53285538 is 83558235.

It is a junction number, because it is equal to n+sod(n) for n = 53285496 and 53285505.

It is not an unprimeable number, because it can be changed into a prime (53285537) 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 7 ways as a sum of consecutive naturals, for example, 233595 + ... + 233822.

It is an arithmetic number, because the mean of its divisors is an integer number (7011270).

Almost surely, 2^53285538 is an apocalyptic number.

53285538 is an abundant number, since it is smaller than the sum of its proper divisors (58894782).

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

53285538 is a wasteful number, since it uses less digits than its factorization.

53285538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467441.

The product of its digits is 144000, while the sum is 39.

The square root of 53285538 is about 7299.6943771640. The cubic root of 53285538 is about 376.3019351200.

The spelling of 53285538 in words is "fifty-three million, two hundred eighty-five thousand, five hundred thirty-eight".