53825521885 has 4 divisors (see below), whose sum is σ = 64590626268. Its totient is φ = 43060417504.

The previous prime is 53825521853. The next prime is 53825521903. The reversal of 53825521885 is 58812552835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12375005049 + 41450516836 = 111243^2 + 203594^2 .

It is a cyclic number.

It is not a de Polignac number, because 53825521885 - 2⁵ = 53825521853 is a prime.

It is a super-2 number, since 2×53825521885² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5382552184 + ... + 5382552193.

It is an arithmetic number, because the mean of its divisors is an integer number (16147656567).

Almost surely, 2^53825521885 is an apocalyptic number.

It is an amenable number.

53825521885 is a deficient number, since it is larger than the sum of its proper divisors (10765104383).

53825521885 is a wasteful number, since it uses less digits than its factorization.

53825521885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10765104382.

The product of its digits is 3840000, while the sum is 52.

The spelling of 53825521885 in words is "fifty-three billion, eight hundred twenty-five million, five hundred twenty-one thousand, eight hundred eighty-five".