55335610064 has 80 divisors (see below), whose sum is σ = 124852544640. Its totient is φ = 23267112960.

The previous prime is 55335610061. The next prime is 55335610067. The reversal of 55335610064 is 46001653355.

It is an interprime number because it is at equal distance from previous prime (55335610061) and next prime (55335610067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55335610061) 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, 3434732 + ... + 3450804.

It is an arithmetic number, because the mean of its divisors is an integer number (1560656808).

Almost surely, 2^55335610064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55335610064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62426272320).

55335610064 is an abundant number, since it is smaller than the sum of its proper divisors (69516934576).

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

55335610064 is a wasteful number, since it uses less digits than its factorization.

55335610064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16668 (or 16662 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 55335610064 in words is "fifty-five billion, three hundred thirty-five million, six hundred ten thousand, sixty-four".