55164760 has 64 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 18817920.

The previous prime is 55164751. The next prime is 55164761. The reversal of 55164760 is 6746155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55164761) 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, 75517 + ... + 76243.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^55164760 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 55164760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71285760).

55164760 is an abundant number, since it is smaller than the sum of its proper divisors (87406760).

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

55164760 is a wasteful number, since it uses less digits than its factorization.

55164760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 55164760 is about 7427.2982974969. The cubic root of 55164760 is about 380.6746096056.

The spelling of 55164760 in words is "fifty-five million, one hundred sixty-four thousand, seven hundred sixty".