55111346 has 4 divisors (see below), whose sum is σ = 82667022. Its totient is φ = 27555672.

The previous prime is 55111333. The next prime is 55111349. The reversal of 55111346 is 64311155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64311155 = 5 ⋅12862231.

It can be written as a sum of positive squares in only one way, i.e., 43626025 + 11485321 = 6605^2 + 3389^2 .

It is not an unprimeable number, because it can be changed into a prime (55111349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13777835 + ... + 13777838.

Almost surely, 2^55111346 is an apocalyptic number.

55111346 is a deficient number, since it is larger than the sum of its proper divisors (27555676).

55111346 is a wasteful number, since it uses less digits than its factorization.

55111346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555675.

The product of its digits is 1800, while the sum is 26.

The square root of 55111346 is about 7423.7016373235. The cubic root of 55111346 is about 380.5517055402.

The spelling of 55111346 in words is "fifty-five million, one hundred eleven thousand, three hundred forty-six".