53890535855 has 8 divisors (see below), whose sum is σ = 69643154112. Its totient is φ = 39796087968.

The previous prime is 53890535851. The next prime is 53890535869. The reversal of 53890535855 is 55853509835.

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

It is not a de Polignac number, because 53890535855 - 2² = 53890535851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53890535855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53890535851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414542519 + ... + 414542648.

It is an arithmetic number, because the mean of its divisors is an integer number (8705394264).

Almost surely, 2^53890535855 is an apocalyptic number.

53890535855 is a deficient number, since it is larger than the sum of its proper divisors (15752618257).

53890535855 is a wasteful number, since it uses less digits than its factorization.

53890535855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829085185.

The product of its (nonzero) digits is 16200000, while the sum is 56.

The spelling of 53890535855 in words is "fifty-three billion, eight hundred ninety million, five hundred thirty-five thousand, eight hundred fifty-five".