55060566 has 48 divisors (see below), whose sum is σ = 122094000. Its totient is φ = 16540480.

The previous prime is 55060561. The next prime is 55060567. The reversal of 55060566 is 66506055.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55060561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107920 + ... + 108428.

It is an arithmetic number, because the mean of its divisors is an integer number (2543625).

Almost surely, 2^55060566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55060566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61047000).

55060566 is an abundant number, since it is smaller than the sum of its proper divisors (67033434).

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

55060566 is a wasteful number, since it uses less digits than its factorization.

55060566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55060566 is about 7420.2807224525. The cubic root of 55060566 is about 380.4347885756.

It can be divided in two parts, 550 and 60566, that added together give a palindrome (61116).

The spelling of 55060566 in words is "fifty-five million, sixty thousand, five hundred sixty-six".