64122055 has 16 divisors (see below), whose sum is σ = 81197280. Its totient is φ = 48477312.

The previous prime is 64122049. The next prime is 64122101. The reversal of 64122055 is 55022146.

It is a cyclic number.

It is not a de Polignac number, because 64122055 - 2¹⁹ = 63597767 is a prime.

It is a super-2 number, since 2×64122055² = 8223275874846050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63817 + ... + 64813.

It is an arithmetic number, because the mean of its divisors is an integer number (5074830).

Almost surely, 2^64122055 is an apocalyptic number.

64122055 is a deficient number, since it is larger than the sum of its proper divisors (17075225).

64122055 is a wasteful number, since it uses less digits than its factorization.

64122055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 64122055 is about 8007.6248038978. The cubic root of 64122055 is about 400.2541197737.

Subtracting from 64122055 its reverse (55022146), we obtain a palindrome (9099909).

The spelling of 64122055 in words is "sixty-four million, one hundred twenty-two thousand, fifty-five".