51752041136 has 20 divisors (see below), whose sum is σ = 100274912352. Its totient is φ = 25874644416.

The previous prime is 51752041127. The next prime is 51752041139. The reversal of 51752041136 is 63114025715.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51752041096 and 51752041105.

It is not an unprimeable number, because it can be changed into a prime (51752041139) 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, 268526 + ... + 419058.

Almost surely, 2^51752041136 is an apocalyptic number.

It is an amenable number.

51752041136 is a deficient number, since it is larger than the sum of its proper divisors (48522871216).

51752041136 is a wasteful number, since it uses less digits than its factorization.

51752041136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172028 (or 172022 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 51752041136 in words is "fifty-one billion, seven hundred fifty-two million, forty-one thousand, one hundred thirty-six".