55111054351 has 4 divisors (see below), whose sum is σ = 55267176672. Its totient is φ = 54954932032.

The previous prime is 55111054309. The next prime is 55111054391. The reversal of 55111054351 is 15345011155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55111054351 - 2¹⁷ = 55110923279 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 (55111054391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78060631 + ... + 78061336.

It is an arithmetic number, because the mean of its divisors is an integer number (13816794168).

Almost surely, 2^55111054351 is an apocalyptic number.

55111054351 is a deficient number, since it is larger than the sum of its proper divisors (156122321).

55111054351 is a wasteful number, since it uses less digits than its factorization.

55111054351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156122320.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 55111054351 in words is "fifty-five billion, one hundred eleven million, fifty-four thousand, three hundred fifty-one".