55408801 has 8 divisors (see below), whose sum is σ = 64362944. Its totient is φ = 46714320.

The previous prime is 55408789. The next prime is 55408841. The reversal of 55408801 is 10880455.

55408801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55408801 - 2⁷ = 55408673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55408841) 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 7 ways as a sum of consecutive naturals, for example, 64455 + ... + 65308.

It is an arithmetic number, because the mean of its divisors is an integer number (8045368).

Almost surely, 2^55408801 is an apocalyptic number.

It is an amenable number.

55408801 is a deficient number, since it is larger than the sum of its proper divisors (8954143).

55408801 is a wasteful number, since it uses less digits than its factorization.

55408801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129831.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 55408801 is about 7443.7088202052. The cubic root of 55408801 is about 381.2351338466.

It can be divided in two parts, 5540 and 8801, that added together give a palindrome (14341).

The spelling of 55408801 in words is "fifty-five million, four hundred eight thousand, eight hundred one".