55405141 has 8 divisors (see below), whose sum is σ = 61433568. Its totient is φ = 49542000.

The previous prime is 55405127. The next prime is 55405157. The reversal of 55405141 is 14150455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55405141 - 2¹⁷ = 55274069 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 (55405111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40615 + ... + 41956.

It is an arithmetic number, because the mean of its divisors is an integer number (7679196).

Almost surely, 2^55405141 is an apocalyptic number.

It is an amenable number.

55405141 is a deficient number, since it is larger than the sum of its proper divisors (6028427).

55405141 is a wasteful number, since it uses less digits than its factorization.

55405141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82643.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 55405141 is about 7443.4629709565. The cubic root of 55405141 is about 381.2267395645.

Adding to 55405141 its reverse (14150455), we get a palindrome (69555596).

The spelling of 55405141 in words is "fifty-five million, four hundred five thousand, one hundred forty-one".