51489593393059 has 4 divisors (see below), whose sum is σ = 51524173376680. Its totient is φ = 51455013409440.

The previous prime is 51489593393047. The next prime is 51489593393081. The reversal of 51489593393059 is 95039339598415.

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

It is a cyclic number.

It is not a de Polignac number, because 51489593393059 - 2²⁵ = 51489559838627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51489593392982 and 51489593393000.

It is not an unprimeable number, because it can be changed into a prime (51489593393009) 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, 17289989577 + ... + 17289992554.

It is an arithmetic number, because the mean of its divisors is an integer number (12881043344170).

Almost surely, 2^{51489593393059} is an apocalyptic number.

51489593393059 is a deficient number, since it is larger than the sum of its proper divisors (34579983621).

51489593393059 is a wasteful number, since it uses less digits than its factorization.

51489593393059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34579983620.

The product of its (nonzero) digits is 708588000, while the sum is 73.

The spelling of 51489593393059 in words is "fifty-one trillion, four hundred eighty-nine billion, five hundred ninety-three million, three hundred ninety-three thousand, fifty-nine".