51587341026 has 64 divisors (see below), whose sum is σ = 112462686336. Its totient is φ = 15680563200.

The previous prime is 51587340997. The next prime is 51587341031. The reversal of 51587341026 is 62014378515.

It is a happy number.

It is a super-2 number, since 2×51587341026² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4314216 + ... + 4326156.

It is an arithmetic number, because the mean of its divisors is an integer number (1757229474).

Almost surely, 2^51587341026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51587341026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56231343168).

51587341026 is an abundant number, since it is smaller than the sum of its proper divisors (60875345310).

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

51587341026 is a wasteful number, since it uses less digits than its factorization.

51587341026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 51587341026 in words is "fifty-one billion, five hundred eighty-seven million, three hundred forty-one thousand, twenty-six".