55371911 has 6 divisors (see below), whose sum is σ = 64412280. Its totient is φ = 47461596.

The previous prime is 55371889. The next prime is 55371923. The reversal of 55371911 is 11917355.

It is a happy number.

55371911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55371911 - 2⁶ = 55371847 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 (55371931) 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 5 ways as a sum of consecutive naturals, for example, 564971 + ... + 565068.

It is an arithmetic number, because the mean of its divisors is an integer number (10735380).

Almost surely, 2^55371911 is an apocalyptic number.

55371911 is a deficient number, since it is larger than the sum of its proper divisors (9040369).

55371911 is a wasteful number, since it uses less digits than its factorization.

55371911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130053 (or 1130046 counting only the distinct ones).

The product of its digits is 4725, while the sum is 32.

The square root of 55371911 is about 7441.2304762049. The cubic root of 55371911 is about 381.1505089849.

The spelling of 55371911 in words is "fifty-five million, three hundred seventy-one thousand, nine hundred eleven".