50321956897 has 8 divisors (see below), whose sum is σ = 52572617640. Its totient is φ = 48105657600.

The previous prime is 50321956879. The next prime is 50321956903. The reversal of 50321956897 is 79865912305.

It can be written as a sum of positive squares in 4 ways, for example, as 26851410496 + 23470546401 = 163864^2 + 153201^2 .

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 50321956897 - 2³⁵ = 15962218529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50321956807) 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, 8587368 + ... + 8593225.

It is an arithmetic number, because the mean of its divisors is an integer number (6571577205).

Almost surely, 2^50321956897 is an apocalyptic number.

It is an amenable number.

50321956897 is a deficient number, since it is larger than the sum of its proper divisors (2250660743).

50321956897 is a wasteful number, since it uses less digits than its factorization.

50321956897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17180723.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 50321956897 in words is "fifty billion, three hundred twenty-one million, nine hundred fifty-six thousand, eight hundred ninety-seven".