55060000 has 60 divisors (see below), whose sum is σ = 135505062. Its totient is φ = 22016000.

The previous prime is 55059973. The next prime is 55060021. The reversal of 55060000 is 6055.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 7118224 + 47941776 = 2668^2 + 6924^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18624 + ... + 21376.

Almost surely, 2^55060000 is an apocalyptic number.

55060000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67752531).

55060000 is an abundant number, since it is smaller than the sum of its proper divisors (80445062).

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

55060000 is an equidigital number, since it uses as much as digits as its factorization.

55060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 55060000 is about 7420.2425836357. The cubic root of 55060000 is about 380.4334850000.

Adding to 55060000 its reverse (6055), we get a palindrome (55066055).

The spelling of 55060000 in words is "fifty-five million, sixty thousand".