55900808 has 8 divisors (see below), whose sum is σ = 104814030. Its totient is φ = 27950400.

The previous prime is 55900807. The next prime is 55900829. The reversal of 55900808 is 80800955.

55900808 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., 35307364 + 20593444 = 5942^2 + 4538^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55900807) 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, 3493793 + ... + 3493808.

Almost surely, 2^55900808 is an apocalyptic number.

It is an amenable number.

55900808 is a deficient number, since it is larger than the sum of its proper divisors (48913222).

55900808 is a wasteful number, since it uses less digits than its factorization.

55900808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987607 (or 6987603 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 55900808 is about 7476.6842918502. The cubic root of 55900808 is about 382.3602132062.

The spelling of 55900808 in words is "fifty-five million, nine hundred thousand, eight hundred eight".