55124371 has 2 divisors, whose sum is σ = 55124372. Its totient is φ = 55124370.

The previous prime is 55124359. The next prime is 55124401. The reversal of 55124371 is 17342155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55124371 - 2¹¹ = 55122323 is a prime.

It is not a weakly prime, because it can be changed into another prime (55124341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27562185 + 27562186.

It is an arithmetic number, because the mean of its divisors is an integer number (27562186).

Almost surely, 2^55124371 is an apocalyptic number.

55124371 is a deficient number, since it is larger than the sum of its proper divisors (1).

55124371 is an equidigital number, since it uses as much as digits as its factorization.

55124371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 55124371 is about 7424.5788432745. The cubic root of 55124371 is about 380.5816830063.

The spelling of 55124371 in words is "fifty-five million, one hundred twenty-four thousand, three hundred seventy-one".