51357595604997 has 16 divisors (see below), whose sum is σ = 74776884028992. Its totient is φ = 31094596024320.

The previous prime is 51357595604969. The next prime is 51357595605031. The reversal of 51357595604997 is 79940659575315.

It is not a de Polignac number, because 51357595604997 - 2³¹ = 51355448121349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51357595604957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780453948 + ... + 780519749.

It is an arithmetic number, because the mean of its divisors is an integer number (4673555251812).

Almost surely, 2^{51357595604997} is an apocalyptic number.

It is an amenable number.

51357595604997 is a deficient number, since it is larger than the sum of its proper divisors (23419288423995).

51357595604997 is a wasteful number, since it uses less digits than its factorization.

51357595604997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560974708.

The product of its (nonzero) digits is 1607445000, while the sum is 75.

The spelling of 51357595604997 in words is "fifty-one trillion, three hundred fifty-seven billion, five hundred ninety-five million, six hundred four thousand, nine hundred ninety-seven".