53555346371 has 4 divisors (see below), whose sum is σ = 54200591592. Its totient is φ = 52910101152.

The previous prime is 53555346343. The next prime is 53555346373. The reversal of 53555346371 is 17364355535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53555346371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53555346373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322622486 + ... + 322622651.

It is an arithmetic number, because the mean of its divisors is an integer number (13550147898).

Almost surely, 2^53555346371 is an apocalyptic number.

53555346371 is a deficient number, since it is larger than the sum of its proper divisors (645245221).

53555346371 is an equidigital number, since it uses as much as digits as its factorization.

53555346371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645245220.

The product of its digits is 2835000, while the sum is 47.

The spelling of 53555346371 in words is "fifty-three billion, five hundred fifty-five million, three hundred forty-six thousand, three hundred seventy-one".