51880550 has 12 divisors (see below), whose sum is σ = 96497916. Its totient is φ = 20752200.

The previous prime is 51880519. The next prime is 51880553. The reversal of 51880550 is 5508815.

51880550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51880553) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 518756 + ... + 518855.

It is an arithmetic number, because the mean of its divisors is an integer number (8041493).

Almost surely, 2^51880550 is an apocalyptic number.

51880550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51880550 is a deficient number, since it is larger than the sum of its proper divisors (44617366).

51880550 is a wasteful number, since it uses less digits than its factorization.

51880550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037623 (or 1037618 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 51880550 is about 7202.8154217639. The cubic root of 51880550 is about 372.9650962699.

The spelling of 51880550 in words is "fifty-one million, eight hundred eighty thousand, five hundred fifty".