51064497510 has 160 divisors (see below), whose sum is σ = 135081970272. Its totient is φ = 12351006720.

The previous prime is 51064497503. The next prime is 51064497559. The reversal of 51064497510 is 1579446015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52266142 + ... + 52267118.

Almost surely, 2^51064497510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51064497510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67540985136).

51064497510 is an abundant number, since it is smaller than the sum of its proper divisors (84017472762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51064497510 is an equidigital number, since it uses as much as digits as its factorization.

51064497510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 51064497510 in words is "fifty-one billion, sixty-four million, four hundred ninety-seven thousand, five hundred ten".