53320570787 has 16 divisors (see below), whose sum is σ = 58422494592. Its totient is φ = 48261438720.

The previous prime is 53320570777. The next prime is 53320570829. The reversal of 53320570787 is 78707502335.

It is not a de Polignac number, because 53320570787 - 2⁸ = 53320570531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53320570717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189683 + ... + 3206355.

It is an arithmetic number, because the mean of its divisors is an integer number (3651405912).

Almost surely, 2^53320570787 is an apocalyptic number.

53320570787 is a deficient number, since it is larger than the sum of its proper divisors (5101923805).

53320570787 is a wasteful number, since it uses less digits than its factorization.

53320570787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 53320570787 in words is "fifty-three billion, three hundred twenty million, five hundred seventy thousand, seven hundred eighty-seven".