55271401 has 4 divisors (see below), whose sum is σ = 55642500. Its totient is φ = 54900304.

The previous prime is 55271353. The next prime is 55271413. The reversal of 55271401 is 10417255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10417255 = 5 ⋅2083451.

It can be written as a sum of positive squares in 2 ways, for example, as 32718400 + 22553001 = 5720^2 + 4749^2 .

It is a cyclic number.

It is not a de Polignac number, because 55271401 - 2⁷ = 55271273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55271431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185326 + ... + 185623.

It is an arithmetic number, because the mean of its divisors is an integer number (13910625).

Almost surely, 2^55271401 is an apocalyptic number.

It is an amenable number.

55271401 is a deficient number, since it is larger than the sum of its proper divisors (371099).

55271401 is a wasteful number, since it uses less digits than its factorization.

55271401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371098.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 55271401 is about 7434.4738213272. The cubic root of 55271401 is about 380.9197503452.

Adding to 55271401 its reverse (10417255), we get a palindrome (65688656).

The spelling of 55271401 in words is "fifty-five million, two hundred seventy-one thousand, four hundred one".