53281506 has 32 divisors (see below), whose sum is σ = 108475200. Its totient is φ = 17445056.

The previous prime is 53281469. The next prime is 53281507. The reversal of 53281506 is 60518235.

It is not an unprimeable number, because it can be changed into a prime (53281507) 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 15 ways as a sum of consecutive naturals, for example, 95380 + ... + 95936.

It is an arithmetic number, because the mean of its divisors is an integer number (3389850).

Almost surely, 2^53281506 is an apocalyptic number.

53281506 is an abundant number, since it is smaller than the sum of its proper divisors (55193694).

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

53281506 is a wasteful number, since it uses less digits than its factorization.

53281506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 53281506 is about 7299.4181959934. The cubic root of 53281506 is about 376.2924435660.

The spelling of 53281506 in words is "fifty-three million, two hundred eighty-one thousand, five hundred six".