55422065 has 16 divisors (see below), whose sum is σ = 70443648. Its totient is φ = 41771136.

The previous prime is 55422053. The next prime is 55422067. The reversal of 55422065 is 56022455.

It is a cyclic number.

It is not a de Polignac number, because 55422065 - 2⁶ = 55422001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55422067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4109 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (4402728).

Almost surely, 2^55422065 is an apocalyptic number.

It is an amenable number.

55422065 is a deficient number, since it is larger than the sum of its proper divisors (15021583).

55422065 is a wasteful number, since it uses less digits than its factorization.

55422065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55422065 is about 7444.5997206028. The cubic root of 55422065 is about 381.2655519948.

The spelling of 55422065 in words is "fifty-five million, four hundred twenty-two thousand, sixty-five".