53778855887735 has 16 divisors (see below), whose sum is σ = 70435112505120. Its totient is φ = 39093172323840.

The previous prime is 53778855887681. The next prime is 53778855887737.

53778855887735 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53778855887735 - 2²² = 53778851693431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53778855887737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233919902 + ... + 234149691.

It is an arithmetic number, because the mean of its divisors is an integer number (4402194531570).

Almost surely, 2^{53778855887735} is an apocalyptic number.

53778855887735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53778855887735 is a deficient number, since it is larger than the sum of its proper divisors (16656256617385).

53778855887735 is a wasteful number, since it uses less digits than its factorization.

53778855887735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468071698.

The product of its digits is 55319040000, while the sum is 86.

The spelling of 53778855887735 in words is "fifty-three trillion, seven hundred seventy-eight billion, eight hundred fifty-five million, eight hundred eighty-seven thousand, seven hundred thirty-five".