65055398 has 16 divisors (see below), whose sum is σ = 100490544. Its totient is φ = 31563360.

The previous prime is 65055377. The next prime is 65055401. The reversal of 65055398 is 89355056.

65055398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 33161 + ... + 35067.

It is an arithmetic number, because the mean of its divisors is an integer number (6280659).

Almost surely, 2^65055398 is an apocalyptic number.

65055398 is a deficient number, since it is larger than the sum of its proper divisors (35435146).

65055398 is a wasteful number, since it uses less digits than its factorization.

65055398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 65055398 is about 8065.6926546949. The cubic root of 65055398 is about 402.1867691495.

The spelling of 65055398 in words is "sixty-five million, fifty-five thousand, three hundred ninety-eight".