55067000 has 64 divisors (see below), whose sum is σ = 131414400. Its totient is φ = 21590400.

The previous prime is 55066981. The next prime is 55067003. The reversal of 55067000 is 76055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55067003) 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, 52481 + ... + 53519.

It is an arithmetic number, because the mean of its divisors is an integer number (2053350).

Almost surely, 2^55067000 is an apocalyptic number.

55067000 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 55067000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65707200).

55067000 is an abundant number, since it is smaller than the sum of its proper divisors (76347400).

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

55067000 is a wasteful number, since it uses less digits than its factorization.

55067000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 55067000 is about 7420.7142513373. The cubic root of 55067000 is about 380.4496063316.

The spelling of 55067000 in words is "fifty-five million, sixty-seven thousand".