53537364347665 has 32 divisors (see below), whose sum is σ = 70390739543040. Its totient is φ = 38766748435200.

The previous prime is 53537364347629. The next prime is 53537364347669. The reversal of 53537364347665 is 56674346373535.

It is not a de Polignac number, because 53537364347665 - 2¹¹ = 53537364345617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53537364347665.

It is not an unprimeable number, because it can be changed into a prime (53537364347669) 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 31 ways as a sum of consecutive naturals, for example, 22029135 + ... + 24338395.

It is an arithmetic number, because the mean of its divisors is an integer number (2199710610720).

Almost surely, 2^{53537364347665} is an apocalyptic number.

53537364347665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53537364347665 is a deficient number, since it is larger than the sum of its proper divisors (16853375195375).

53537364347665 is a wasteful number, since it uses less digits than its factorization.

53537364347665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311113.

The product of its digits is 1714608000, while the sum is 67.

The spelling of 53537364347665 in words is "fifty-three trillion, five hundred thirty-seven billion, three hundred sixty-four million, three hundred forty-seven thousand, six hundred sixty-five".