55878808 has 16 divisors (see below), whose sum is σ = 104974560. Its totient is φ = 27885600.

The previous prime is 55878803. The next prime is 55878811. The reversal of 55878808 is 80887855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55878803) 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 in 3 ways as a sum of consecutive naturals, for example, 2128 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (6560910).

Almost surely, 2^55878808 is an apocalyptic number.

It is an amenable number.

55878808 is a deficient number, since it is larger than the sum of its proper divisors (49095752).

55878808 is a wasteful number, since it uses less digits than its factorization.

55878808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13458 (or 13454 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 49.

The square root of 55878808 is about 7475.2129066669. The cubic root of 55878808 is about 382.3100467968.

The spelling of 55878808 in words is "fifty-five million, eight hundred seventy-eight thousand, eight hundred eight".