50455550 has 24 divisors (see below), whose sum is σ = 94211976. Its totient is φ = 20103840.

The previous prime is 50455501. The next prime is 50455553. The reversal of 50455550 is 5555405.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50455553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12029 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (3925499).

Almost surely, 2^50455550 is an apocalyptic number.

50455550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50455550 is a deficient number, since it is larger than the sum of its proper divisors (43756426).

50455550 is a wasteful number, since it uses less digits than its factorization.

50455550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 50455550 is about 7103.2070221837. The cubic root of 50455550 is about 369.5186094073.

The spelling of 50455550 in words is "fifty million, four hundred fifty-five thousand, five hundred fifty".