55160064 has 108 divisors (see below), whose sum is σ = 161424900. Its totient is φ = 18112512.

The previous prime is 55160029. The next prime is 55160071. The reversal of 55160064 is 46006155.

It is a happy number.

55160064 is a `hidden beast` number, since 5 + 51 + 600 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 48441600 = 2592^2 + 6960^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204922 + ... + 205190.

It is an arithmetic number, because the mean of its divisors is an integer number (1494675).

Almost surely, 2^55160064 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 55160064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80712450).

55160064 is an abundant number, since it is smaller than the sum of its proper divisors (106264836).

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

55160064 is a wasteful number, since it uses less digits than its factorization.

55160064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55160064 is about 7426.9821596662. The cubic root of 55160064 is about 380.6638074274.

The spelling of 55160064 in words is "fifty-five million, one hundred sixty thousand, sixty-four".