53113533550 has 96 divisors (see below), whose sum is σ = 123260325120. Its totient is φ = 16542489600.

The previous prime is 53113533547. The next prime is 53113533563. The reversal of 53113533550 is 5533531135.

53113533550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6074782 + ... + 6083518.

It is an arithmetic number, because the mean of its divisors is an integer number (1283961720).

Almost surely, 2^53113533550 is an apocalyptic number.

53113533550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53113533550 is an abundant number, since it is smaller than the sum of its proper divisors (70146791570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53113533550 is a wasteful number, since it uses less digits than its factorization.

53113533550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346 (or 10341 counting only the distinct ones).

The product of its (nonzero) digits is 50625, while the sum is 34.

The spelling of 53113533550 in words is "fifty-three billion, one hundred thirteen million, five hundred thirty-three thousand, five hundred fifty".