53405362697 has 64 divisors (see below), whose sum is σ = 60673536000. Its totient is φ = 46804988160.

The previous prime is 53405362679. The next prime is 53405362721. The reversal of 53405362697 is 79626350435.

It is not a de Polignac number, because 53405362697 - 2¹⁶ = 53405297161 is a prime.

It is a super-2 number, since 2×53405362697² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53405362607) 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, 319792508 + ... + 319792674.

It is an arithmetic number, because the mean of its divisors is an integer number (948024000).

Almost surely, 2^53405362697 is an apocalyptic number.

It is an amenable number.

53405362697 is a deficient number, since it is larger than the sum of its proper divisors (7268173303).

53405362697 is a wasteful number, since it uses less digits than its factorization.

53405362697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 53405362697 in words is "fifty-three billion, four hundred five million, three hundred sixty-two thousand, six hundred ninety-seven".