55455950 has 24 divisors (see below), whose sum is σ = 112526280. Its totient is φ = 20165600.

The previous prime is 55455943. The next prime is 55455973. The reversal of 55455950 is 5955455.

55455950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49865 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (4688595).

Almost surely, 2^55455950 is an apocalyptic number.

55455950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55455950 is an abundant number, since it is smaller than the sum of its proper divisors (57070330).

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

55455950 is a wasteful number, since it uses less digits than its factorization.

55455950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100852 (or 100847 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 55455950 is about 7446.8751835921. The cubic root of 55455950 is about 381.3432379682.

The spelling of 55455950 in words is "fifty-five million, four hundred fifty-five thousand, nine hundred fifty".