53128862 has 4 divisors (see below), whose sum is σ = 79693296. Its totient is φ = 26564430.

The previous prime is 53128853. The next prime is 53128903. The reversal of 53128862 is 26882135.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13282214 + ... + 13282217.

It is an arithmetic number, because the mean of its divisors is an integer number (19923324).

Almost surely, 2^53128862 is an apocalyptic number.

53128862 is a deficient number, since it is larger than the sum of its proper divisors (26564434).

53128862 is a wasteful number, since it uses less digits than its factorization.

53128862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26564433.

The product of its digits is 23040, while the sum is 35.

The square root of 53128862 is about 7288.9547947562. The cubic root of 53128862 is about 375.9327582713.

The spelling of 53128862 in words is "fifty-three million, one hundred twenty-eight thousand, eight hundred sixty-two".