53908803291 has 24 divisors (see below), whose sum is σ = 84033868800. Its totient is φ = 30650214672.

The previous prime is 53908803259. The next prime is 53908803313. The reversal of 53908803291 is 19230880935.

It is a happy number.

It is not a de Polignac number, because 53908803291 - 2⁵ = 53908803259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53908803291.

It is not an unprimeable number, because it can be changed into a prime (53908803791) 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, 892171 + ... + 950676.

It is an arithmetic number, because the mean of its divisors is an integer number (3501411200).

Almost surely, 2^53908803291 is an apocalyptic number.

53908803291 is a deficient number, since it is larger than the sum of its proper divisors (30125065509).

53908803291 is a wasteful number, since it uses less digits than its factorization.

53908803291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843063 (or 1843056 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 53908803291 in words is "fifty-three billion, nine hundred eight million, eight hundred three thousand, two hundred ninety-one".