55423208 has 8 divisors (see below), whose sum is σ = 103918530. Its totient is φ = 27711600.

The previous prime is 55423157. The next prime is 55423217. The reversal of 55423208 is 80232455.

55423208 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 only one way, i.e., 52388644 + 3034564 = 7238^2 + 1742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55423208² = 6143463970022528, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3463943 + ... + 3463958.

Almost surely, 2^55423208 is an apocalyptic number.

It is an amenable number.

55423208 is a deficient number, since it is larger than the sum of its proper divisors (48495322).

55423208 is a wasteful number, since it uses less digits than its factorization.

55423208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927907 (or 6927903 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55423208 is about 7444.6764872626. The cubic root of 55423208 is about 381.2681729938.

The spelling of 55423208 in words is "fifty-five million, four hundred twenty-three thousand, two hundred eight".