51352537687001 has 8 divisors (see below), whose sum is σ = 52740556706760. Its totient is φ = 49964524593408.

The previous prime is 51352537686997. The next prime is 51352537687039. The reversal of 51352537687001 is 10078673525315.

It can be written as a sum of positive squares in 4 ways, for example, as 8039357061376 + 43313180625625 = 2835376^2 + 6581275^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51352537687001 - 2² = 51352537686997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51352537680001) 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, 20388065 + ... + 22767921.

It is an arithmetic number, because the mean of its divisors is an integer number (6592569588345).

Almost surely, 2^{51352537687001} is an apocalyptic number.

It is an amenable number.

51352537687001 is a deficient number, since it is larger than the sum of its proper divisors (1388019019759).

51352537687001 is a wasteful number, since it uses less digits than its factorization.

51352537687001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963083.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 51352537687001 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred thirty-seven million, six hundred eighty-seven thousand, one".