53003309427 has 24 divisors (see below), whose sum is σ = 81087795360. Its totient is φ = 33247169280.

The previous prime is 53003309419. The next prime is 53003309453. The reversal of 53003309427 is 72490330035.

53003309427 is a `hidden beast` number, since 5 + 300 + 3 + 309 + 42 + 7 = 666.

It is not a de Polignac number, because 53003309427 - 2³ = 53003309419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53003309391 and 53003309400.

It is not an unprimeable number, because it can be changed into a prime (53003309477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487849 + ... + 586517.

It is an arithmetic number, because the mean of its divisors is an integer number (3378658140).

Almost surely, 2^53003309427 is an apocalyptic number.

53003309427 is a deficient number, since it is larger than the sum of its proper divisors (28084485933).

53003309427 is a wasteful number, since it uses less digits than its factorization.

53003309427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102203 (or 102200 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 53003309427 in words is "fifty-three billion, three million, three hundred nine thousand, four hundred twenty-seven".