53788579081 has 8 divisors (see below), whose sum is σ = 55652355720. Its totient is φ = 51925402368.

The previous prime is 53788579069. The next prime is 53788579121. The reversal of 53788579081 is 18097588735.

It can be written as a sum of positive squares in 4 ways, for example, as 9789321481 + 43999257600 = 98941^2 + 209760^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53788579081 - 2⁷ = 53788578953 is a prime.

It is a super-2 number, since 2×53788579081² (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 (53788579381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36385 + ... + 330001.

It is an arithmetic number, because the mean of its divisors is an integer number (6956544465).

Almost surely, 2^53788579081 is an apocalyptic number.

It is an amenable number.

53788579081 is a deficient number, since it is larger than the sum of its proper divisors (1863776639).

53788579081 is a wasteful number, since it uses less digits than its factorization.

53788579081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299963.

The product of its (nonzero) digits is 16934400, while the sum is 61.

The spelling of 53788579081 in words is "fifty-three billion, seven hundred eighty-eight million, five hundred seventy-nine thousand, eighty-one".