51649358745601 has 8 divisors (see below), whose sum is σ = 53896765947264. Its totient is φ = 49402100119680.

The previous prime is 51649358745599. The next prime is 51649358745613. The reversal of 51649358745601 is 10654785394615.

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 51649358745601 - 2¹ = 51649358745599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51649358745671) 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, 36433261 + ... + 37824346.

It is an arithmetic number, because the mean of its divisors is an integer number (6737095743408).

Almost surely, 2^{51649358745601} is an apocalyptic number.

It is an amenable number.

51649358745601 is a deficient number, since it is larger than the sum of its proper divisors (2247407201663).

51649358745601 is a wasteful number, since it uses less digits than its factorization.

51649358745601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74287871.

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 51649358745601 in words is "fifty-one trillion, six hundred forty-nine billion, three hundred fifty-eight million, seven hundred forty-five thousand, six hundred one".