51253543246 has 8 divisors (see below), whose sum is σ = 76881309264. Its totient is φ = 25626440160.

The previous prime is 51253543217. The next prime is 51253543249. The reversal of 51253543246 is 64234535215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51253543199 and 51253543208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51253543249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141351 + ... + 349981.

It is an arithmetic number, because the mean of its divisors is an integer number (9610163658).

Almost surely, 2^51253543246 is an apocalyptic number.

51253543246 is a deficient number, since it is larger than the sum of its proper divisors (25627766018).

51253543246 is a wasteful number, since it uses less digits than its factorization.

51253543246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331466.

The product of its digits is 432000, while the sum is 40.

The spelling of 51253543246 in words is "fifty-one billion, two hundred fifty-three million, five hundred forty-three thousand, two hundred forty-six".