51958145210 has 16 divisors (see below), whose sum is σ = 93999409416. Its totient is φ = 20677758528.

The previous prime is 51958145209. The next prime is 51958145219. The reversal of 51958145210 is 1254185915.

It can be written as a sum of positive squares in 4 ways, for example, as 50979769369 + 978375841 = 225787^2 + 31279^2 .

It is not an unprimeable number, because it can be changed into a prime (51958145219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13185377 + ... + 13189316.

Almost surely, 2^51958145210 is an apocalyptic number.

51958145210 is a deficient number, since it is larger than the sum of its proper divisors (42041264206).

51958145210 is a wasteful number, since it uses less digits than its factorization.

51958145210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26374897.

The product of its (nonzero) digits is 72000, while the sum is 41.

The spelling of 51958145210 in words is "fifty-one billion, nine hundred fifty-eight million, one hundred forty-five thousand, two hundred ten".