51207652810 has 16 divisors (see below), whose sum is σ = 92179845576. Its totient is φ = 20481712128.

The previous prime is 51207652787. The next prime is 51207652813. The reversal of 51207652810 is 1825670215.

It can be written as a sum of positive squares in 4 ways, for example, as 31378225321 + 19829427489 = 177139^2 + 140817^2 .

It is a super-2 number, since 2×51207652810² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51207652810.

It is not an unprimeable number, because it can be changed into a prime (51207652813) 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, 1287 + ... + 320026.

Almost surely, 2^51207652810 is an apocalyptic number.

51207652810 is a deficient number, since it is larger than the sum of its proper divisors (40972192766).

51207652810 is a wasteful number, since it uses less digits than its factorization.

51207652810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337257.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 51207652810 in words is "fifty-one billion, two hundred seven million, six hundred fifty-two thousand, eight hundred ten".