53382905391 has 4 divisors (see below), whose sum is σ = 71177207192. Its totient is φ = 35588603592.

The previous prime is 53382905383. The next prime is 53382905423. The reversal of 53382905391 is 19350928335.

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

It is not a de Polignac number, because 53382905391 - 2³ = 53382905383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53382905391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53382900391) 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, 8897150896 + ... + 8897150901.

It is an arithmetic number, because the mean of its divisors is an integer number (17794301798).

Almost surely, 2^53382905391 is an apocalyptic number.

53382905391 is a deficient number, since it is larger than the sum of its proper divisors (17794301801).

53382905391 is a wasteful number, since it uses less digits than its factorization.

53382905391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794301800.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 53382905391 in words is "fifty-three billion, three hundred eighty-two million, nine hundred five thousand, three hundred ninety-one".