53910855861 has 8 divisors (see below), whose sum is σ = 72322130400. Its totient is φ = 35720075952.

The previous prime is 53910855857. The next prime is 53910855871. The reversal of 53910855861 is 16855801935.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53910855861 - 2² = 53910855857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53910855811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55123086 + ... + 55124063.

It is an arithmetic number, because the mean of its divisors is an integer number (9040266300).

Almost surely, 2^53910855861 is an apocalyptic number.

It is an amenable number.

53910855861 is a deficient number, since it is larger than the sum of its proper divisors (18411274539).

53910855861 is a wasteful number, since it uses less digits than its factorization.

53910855861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110247315.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 53910855861 in words is "fifty-three billion, nine hundred ten million, eight hundred fifty-five thousand, eight hundred sixty-one".