53139282 has 32 divisors (see below), whose sum is σ = 121703424. Its totient is φ = 15152400.

The previous prime is 53139259. The next prime is 53139299. The reversal of 53139282 is 28293135.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28107 + ... + 29937.

It is an arithmetic number, because the mean of its divisors is an integer number (3803232).

Almost surely, 2^53139282 is an apocalyptic number.

53139282 is an abundant number, since it is smaller than the sum of its proper divisors (68564142).

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

53139282 is a wasteful number, since it uses less digits than its factorization.

53139282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534.

The product of its digits is 12960, while the sum is 33.

The square root of 53139282 is about 7289.6695398351. The cubic root of 53139282 is about 375.9573335093.

The spelling of 53139282 in words is "fifty-three million, one hundred thirty-nine thousand, two hundred eighty-two".