51957497210 has 8 divisors (see below), whose sum is σ = 93523494996. Its totient is φ = 20782998880.

The previous prime is 51957497173. The next prime is 51957497219. The reversal of 51957497210 is 1279475915.

It can be written as a sum of positive squares in 2 ways, for example, as 45990089209 + 5967408001 = 214453^2 + 77249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51957497219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597874851 + ... + 2597874870.

Almost surely, 2^51957497210 is an apocalyptic number.

51957497210 is a deficient number, since it is larger than the sum of its proper divisors (41565997786).

51957497210 is a wasteful number, since it uses less digits than its factorization.

51957497210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195749728.

The product of its (nonzero) digits is 793800, while the sum is 50.

The spelling of 51957497210 in words is "fifty-one billion, nine hundred fifty-seven million, four hundred ninety-seven thousand, two hundred ten".