55664610 has 32 divisors (see below), whose sum is σ = 134851392. Its totient is φ = 14704320.

The previous prime is 55664603. The next prime is 55664611. The reversal of 55664610 is 1646655.

It is not an unprimeable number, because it can be changed into a prime (55664611) 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, 5461 + ... + 11880.

It is an arithmetic number, because the mean of its divisors is an integer number (4214106).

Almost surely, 2^55664610 is an apocalyptic number.

55664610 is an abundant number, since it is smaller than the sum of its proper divisors (79186782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55664610 is a wasteful number, since it uses less digits than its factorization.

55664610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55664610 is about 7460.8719329580. The cubic root of 55664610 is about 381.8209233466.

The spelling of 55664610 in words is "fifty-five million, six hundred sixty-four thousand, six hundred ten".