53053491387 has 64 divisors (see below), whose sum is σ = 82130993280. Its totient is φ = 30169497600.

The previous prime is 53053491377. The next prime is 53053491389. The reversal of 53053491387 is 78319435035.

It is not a de Polignac number, because 53053491387 - 2⁸ = 53053491131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53053491389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35629539 + ... + 35631027.

It is an arithmetic number, because the mean of its divisors is an integer number (1283296770).

Almost surely, 2^53053491387 is an apocalyptic number.

53053491387 is a deficient number, since it is larger than the sum of its proper divisors (29077501893).

53053491387 is a wasteful number, since it uses less digits than its factorization.

53053491387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 53053491387 in words is "fifty-three billion, fifty-three million, four hundred ninety-one thousand, three hundred eighty-seven".