50728473397 has 16 divisors (see below), whose sum is σ = 58384800000. Its totient is φ = 43174702080.

The previous prime is 50728473373. The next prime is 50728473409. The reversal of 50728473397 is 79337482705.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50728473397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50728474397) 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, 3822229 + ... + 3835477.

It is an arithmetic number, because the mean of its divisors is an integer number (3649050000).

Almost surely, 2^50728473397 is an apocalyptic number.

It is an amenable number.

50728473397 is a deficient number, since it is larger than the sum of its proper divisors (7656326603).

50728473397 is a wasteful number, since it uses less digits than its factorization.

50728473397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17076.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 50728473397 in words is "fifty billion, seven hundred twenty-eight million, four hundred seventy-three thousand, three hundred ninety-seven".