55111406 has 16 divisors (see below), whose sum is σ = 94819680. Its totient is φ = 23533440.

The previous prime is 55111391. The next prime is 55111417. The reversal of 55111406 is 60411155.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (5926230).

Almost surely, 2^55111406 is an apocalyptic number.

55111406 is a deficient number, since it is larger than the sum of its proper divisors (39708274).

55111406 is a wasteful number, since it uses less digits than its factorization.

55111406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14299.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 55111406 is about 7423.7056784331. The cubic root of 55111406 is about 380.5518436430.

The spelling of 55111406 in words is "fifty-five million, one hundred eleven thousand, four hundred six".