1550448054 has 80 divisors (see below), whose sum is σ = 3607290720. Its totient is φ = 497145600.

The previous prime is 1550448049. The next prime is 1550448073. The reversal of 1550448054 is 4508440551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1883487 + ... + 1884309.

It is an arithmetic number, because the mean of its divisors is an integer number (45091134).

Almost surely, 2^1550448054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550448054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803645360).

1550448054 is an abundant number, since it is smaller than the sum of its proper divisors (2056842666).

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

1550448054 is a wasteful number, since it uses less digits than its factorization.

1550448054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 1550448054 is about 39375.7292503898. The cubic root of 1550448054 is about 1157.4060284429.

The spelling of 1550448054 in words is "one billion, five hundred fifty million, four hundred forty-eight thousand, fifty-four".