55409411 has 6 divisors (see below), whose sum is σ = 56336436. Its totient is φ = 54497400.

The previous prime is 55409383. The next prime is 55409423. The reversal of 55409411 is 11490455.

It is a de Polignac number, because none of the positive numbers 2^k-55409411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55409441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3725 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (9389406).

Almost surely, 2^55409411 is an apocalyptic number.

55409411 is a deficient number, since it is larger than the sum of its proper divisors (927025).

55409411 is an equidigital number, since it uses as much as digits as its factorization.

55409411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013 (or 14952 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 55409411 is about 7443.7497942905. The cubic root of 55409411 is about 381.2365328576.

Adding to 55409411 its reverse (11490455), we get a palindrome (66899866).

The spelling of 55409411 in words is "fifty-five million, four hundred nine thousand, four hundred eleven".