55555411 has 4 divisors (see below), whose sum is σ = 58479400. Its totient is φ = 52631424.

The previous prime is 55555399. The next prime is 55555429. The reversal of 55555411 is 11455555.

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-55555411 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55555481) 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, 1461966 + ... + 1462003.

It is an arithmetic number, because the mean of its divisors is an integer number (14619850).

Almost surely, 2^55555411 is an apocalyptic number.

55555411 is a deficient number, since it is larger than the sum of its proper divisors (2923989).

55555411 is a wasteful number, since it uses less digits than its factorization.

55555411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923988.

The product of its digits is 12500, while the sum is 31.

The square root of 55555411 is about 7453.5502279115. The cubic root of 55555411 is about 381.5710832346.

The spelling of 55555411 in words is "fifty-five million, five hundred fifty-five thousand, four hundred eleven".