55127401 has 12 divisors (see below), whose sum is σ = 64853460. Its totient is φ = 46717440.

The previous prime is 55127357. The next prime is 55127431. The reversal of 55127401 is 10472155.

55127401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2941225 + 52186176 = 1715^2 + 7224^2 .

It is not a de Polignac number, because 55127401 - 2⁹ = 55126889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55127431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1960 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (5404455).

Almost surely, 2^55127401 is an apocalyptic number.

It is an amenable number.

55127401 is a deficient number, since it is larger than the sum of its proper divisors (9726059).

55127401 is a wasteful number, since it uses less digits than its factorization.

55127401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744 (or 12737 counting only the distinct ones).

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

The square root of 55127401 is about 7424.7828924488. The cubic root of 55127401 is about 380.5886559740.

Adding to 55127401 its reverse (10472155), we get a palindrome (65599556).

The spelling of 55127401 in words is "fifty-five million, one hundred twenty-seven thousand, four hundred one".