55420108 has 6 divisors (see below), whose sum is σ = 96985196. Its totient is φ = 27710052.

The previous prime is 55420063. The next prime is 55420109. The reversal of 55420108 is 80102455.

55420108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55420109) 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 as a sum of consecutive naturals, namely, 6927510 + ... + 6927517.

Almost surely, 2^55420108 is an apocalyptic number.

It is an amenable number.

55420108 is a deficient number, since it is larger than the sum of its proper divisors (41565088).

55420108 is a wasteful number, since it uses less digits than its factorization.

55420108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855031 (or 13855029 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 55420108 is about 7444.4682818856. The cubic root of 55420108 is about 381.2610643389.

The spelling of 55420108 in words is "fifty-five million, four hundred twenty thousand, one hundred eight".