51754036145737 has 4 divisors (see below), whose sum is σ = 51763329388180. Its totient is φ = 51744742903296.

The previous prime is 51754036145723. The next prime is 51754036145767. The reversal of 51754036145737 is 73754163045715.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34961546783241 + 16792489362496 = 5912829^2 + 4097864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51754036145737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51754036145717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4646612868 + ... + 4646624005.

It is an arithmetic number, because the mean of its divisors is an integer number (12940832347045).

Almost surely, 2^{51754036145737} is an apocalyptic number.

It is an amenable number.

51754036145737 is a deficient number, since it is larger than the sum of its proper divisors (9293242443).

51754036145737 is an equidigital number, since it uses as much as digits as its factorization.

51754036145737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293242442.

The product of its (nonzero) digits is 37044000, while the sum is 58.

The spelling of 51754036145737 in words is "fifty-one trillion, seven hundred fifty-four billion, thirty-six million, one hundred forty-five thousand, seven hundred thirty-seven".