50657528819 has 16 divisors (see below), whose sum is σ = 53113423680. Its totient is φ = 48223148160.

The previous prime is 50657528771. The next prime is 50657528869. The reversal of 50657528819 is 91882575605.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50657528819 is a prime.

It is a super-2 number, since 2×50657528819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50657528869) 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, 6560549 + ... + 6568265.

It is an arithmetic number, because the mean of its divisors is an integer number (3319588980).

Almost surely, 2^50657528819 is an apocalyptic number.

50657528819 is a deficient number, since it is larger than the sum of its proper divisors (2455894861).

50657528819 is a wasteful number, since it uses less digits than its factorization.

50657528819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 50657528819 in words is "fifty billion, six hundred fifty-seven million, five hundred twenty-eight thousand, eight hundred nineteen".