53503355525 has 12 divisors (see below), whose sum is σ = 66451707012. Its totient is φ = 42733299840.

The previous prime is 53503355513. The next prime is 53503355561. The reversal of 53503355525 is 52555330535.

It can be written as a sum of positive squares in 6 ways, for example, as 936788449 + 52566567076 = 30607^2 + 229274^2 .

It is not a de Polignac number, because 53503355525 - 2⁶ = 53503355461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1718882 + ... + 1749731.

It is an arithmetic number, because the mean of its divisors is an integer number (5537642251).

Almost surely, 2^53503355525 is an apocalyptic number.

It is an amenable number.

53503355525 is a deficient number, since it is larger than the sum of its proper divisors (12948351487).

53503355525 is a wasteful number, since it uses less digits than its factorization.

53503355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469240 (or 3469235 counting only the distinct ones).

The product of its (nonzero) digits is 843750, while the sum is 41.

The spelling of 53503355525 in words is "fifty-three billion, five hundred three million, three hundred fifty-five thousand, five hundred twenty-five".