53091782657 has 8 divisors (see below), whose sum is σ = 54000134880. Its totient is φ = 52183713600.

The previous prime is 53091782633. The next prime is 53091782713. The reversal of 53091782657 is 75628719035.

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 53091782657 - 2¹² = 53091778561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53091782599 and 53091782608.

It is not an unprimeable number, because it can be changed into a prime (53091782057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326282 + ... + 461132.

It is an arithmetic number, because the mean of its divisors is an integer number (6750016860).

Almost surely, 2^53091782657 is an apocalyptic number.

It is an amenable number.

53091782657 is a deficient number, since it is larger than the sum of its proper divisors (908352223).

53091782657 is a wasteful number, since it uses less digits than its factorization.

53091782657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141583.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 53091782657 in words is "fifty-three billion, ninety-one million, seven hundred eighty-two thousand, six hundred fifty-seven".