53051582693 has 4 divisors (see below), whose sum is σ = 53108689740. Its totient is φ = 52994475648.

The previous prime is 53051582669. The next prime is 53051582699. The reversal of 53051582693 is 39628515035.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6500068129 + 46551514564 = 80623^2 + 215758^2 .

It is a cyclic number.

It is not a de Polignac number, because 53051582693 - 2⁶ = 53051582629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53051582699) 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 3 ways as a sum of consecutive naturals, for example, 28552130 + ... + 28553987.

It is an arithmetic number, because the mean of its divisors is an integer number (13277172435).

Almost surely, 2^53051582693 is an apocalyptic number.

It is an amenable number.

53051582693 is a deficient number, since it is larger than the sum of its proper divisors (57107047).

53051582693 is an equidigital number, since it uses as much as digits as its factorization.

53051582693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57107046.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 53051582693 in words is "fifty-three billion, fifty-one million, five hundred eighty-two thousand, six hundred ninety-three".