51417952252 has 6 divisors (see below), whose sum is σ = 89981416448. Its totient is φ = 25708976124.

The previous prime is 51417952249. The next prime is 51417952253. The reversal of 51417952252 is 25225971415.

It is a junction number, because it is equal to n+sod(n) for n = 51417952199 and 51417952208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51417952253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427244028 + ... + 6427244035.

Almost surely, 2^51417952252 is an apocalyptic number.

It is an amenable number.

51417952252 is a deficient number, since it is larger than the sum of its proper divisors (38563464196).

51417952252 is a wasteful number, since it uses less digits than its factorization.

51417952252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854488067 (or 12854488065 counting only the distinct ones).

The product of its digits is 252000, while the sum is 43.

The spelling of 51417952252 in words is "fifty-one billion, four hundred seventeen million, nine hundred fifty-two thousand, two hundred fifty-two".