53778224881 has 16 divisors (see below), whose sum is σ = 57121666560. Its totient is φ = 50455042560.

The previous prime is 53778224839. The next prime is 53778224911. The reversal of 53778224881 is 18842287735.

It is not a de Polignac number, because 53778224881 - 2²⁵ = 53744670449 is a prime.

It is a super-2 number, since 2×53778224881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53778224831) 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, 8136280 + ... + 8142886.

It is an arithmetic number, because the mean of its divisors is an integer number (3570104160).

Almost surely, 2^53778224881 is an apocalyptic number.

It is an amenable number.

53778224881 is a deficient number, since it is larger than the sum of its proper divisors (3343441679).

53778224881 is a wasteful number, since it uses less digits than its factorization.

53778224881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064.

The product of its digits is 6021120, while the sum is 55.

The spelling of 53778224881 in words is "fifty-three billion, seven hundred seventy-eight million, two hundred twenty-four thousand, eight hundred eighty-one".