55357605311 has 4 divisors (see below), whose sum is σ = 55361023392. Its totient is φ = 55354187232.

The previous prime is 55357605301. The next prime is 55357605313. The reversal of 55357605311 is 11350675355.

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-55357605311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55357605313) 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, 1684631 + ... + 1717176.

It is an arithmetic number, because the mean of its divisors is an integer number (13840255848).

Almost surely, 2^55357605311 is an apocalyptic number.

55357605311 is a deficient number, since it is larger than the sum of its proper divisors (3418081).

55357605311 is a wasteful number, since it uses less digits than its factorization.

55357605311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418080.

The product of its (nonzero) digits is 236250, while the sum is 41.

The spelling of 55357605311 in words is "fifty-five billion, three hundred fifty-seven million, six hundred five thousand, three hundred eleven".