55664822 has 8 divisors (see below), whose sum is σ = 84554400. Its totient is φ = 27480024.

The previous prime is 55664801. The next prime is 55664827. The reversal of 55664822 is 22846655.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55664827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175997 + ... + 176312.

It is an arithmetic number, because the mean of its divisors is an integer number (10569300).

Almost surely, 2^55664822 is an apocalyptic number.

55664822 is a deficient number, since it is larger than the sum of its proper divisors (28889578).

55664822 is a wasteful number, since it uses less digits than its factorization.

55664822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352390.

The product of its digits is 115200, while the sum is 38.

The square root of 55664822 is about 7460.8861403991. The cubic root of 55664822 is about 381.8214080707.

The spelling of 55664822 in words is "fifty-five million, six hundred sixty-four thousand, eight hundred twenty-two".