53112502 has 4 divisors (see below), whose sum is σ = 79668756. Its totient is φ = 26556250.

The previous prime is 53112481. The next prime is 53112511. The reversal of 53112502 is 20521135.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53112502.

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, 13278124 + ... + 13278127.

It is an arithmetic number, because the mean of its divisors is an integer number (19917189).

Almost surely, 2^53112502 is an apocalyptic number.

53112502 is a deficient number, since it is larger than the sum of its proper divisors (26556254).

53112502 is a wasteful number, since it uses less digits than its factorization.

53112502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26556253.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 53112502 is about 7287.8324623992. The cubic root of 53112502 is about 375.8941672489.

Adding to 53112502 its reverse (20521135), we get a palindrome (73633637).

The spelling of 53112502 in words is "fifty-three million, one hundred twelve thousand, five hundred two".