1550048864 has 96 divisors (see below), whose sum is σ = 3843544320. Its totient is φ = 598897152.

The previous prime is 1550048803. The next prime is 1550048897. The reversal of 1550048864 is 4688400551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119027 + ... + 131405.

It is an arithmetic number, because the mean of its divisors is an integer number (40036920).

Almost surely, 2^1550048864 is an apocalyptic number.

1550048864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550048864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921772160).

1550048864 is an abundant number, since it is smaller than the sum of its proper divisors (2293495456).

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

1550048864 is a wasteful number, since it uses less digits than its factorization.

1550048864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452 (or 12444 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 1550048864 is about 39370.6599385888. The cubic root of 1550048864 is about 1157.3066884340.

The spelling of 1550048864 in words is "one billion, five hundred fifty million, forty-eight thousand, eight hundred sixty-four".