51000253210 has 16 divisors (see below), whose sum is σ = 92501224992. Its totient is φ = 20244374800.

The previous prime is 51000253193. The next prime is 51000253211. The reversal of 51000253210 is 1235200015.

It is not an unprimeable number, because it can be changed into a prime (51000253211) 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, 19464436 + ... + 19467055.

It is an arithmetic number, because the mean of its divisors is an integer number (5781326562).

Almost surely, 2^51000253210 is an apocalyptic number.

51000253210 is a deficient number, since it is larger than the sum of its proper divisors (41500971782).

51000253210 is a wasteful number, since it uses less digits than its factorization.

51000253210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38931629.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 51000253210 its reverse (1235200015), we get a palindrome (52235453225).

The spelling of 51000253210 in words is "fifty-one billion, two hundred fifty-three thousand, two hundred ten".