55054450 has 48 divisors (see below), whose sum is σ = 115349760. Its totient is φ = 19368000.

The previous prime is 55054429. The next prime is 55054451. The reversal of 55054450 is 5445055.

It is not an unprimeable number, because it can be changed into a prime (55054451) 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, 15436 + ... + 18664.

It is an arithmetic number, because the mean of its divisors is an integer number (2403120).

Almost surely, 2^55054450 is an apocalyptic number.

55054450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55054450 is an abundant number, since it is smaller than the sum of its proper divisors (60295310).

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

55054450 is a wasteful number, since it uses less digits than its factorization.

55054450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55054450 is about 7419.8685972192. The cubic root of 55054450 is about 380.4207021160.

The spelling of 55054450 in words is "fifty-five million, fifty-four thousand, four hundred fifty".