1650054000 has 320 divisors, whose sum is σ = 6440159232. Its totient is φ = 354816000.

The previous prime is 1650053981. The next prime is 1650054001. The reversal of 1650054000 is 4500561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650054001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 712845 + ... + 715155.

Almost surely, 2^1650054000 is an apocalyptic number.

1650054000 is a gapful number since it is divisible by the number (10) 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 1650054000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3220079616).

1650054000 is an abundant number, since it is smaller than the sum of its proper divisors (4790105232).

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

1650054000 is a wasteful number, since it uses less digits than its factorization.

1650054000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1650054000 is about 40620.8567117928. The cubic root of 1650054000 is about 1181.6786412260.

Adding to 1650054000 its reverse (4500561), we get a palindrome (1654554561).

It can be divided in two parts, 16500 and 54000, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 1650054000 in words is "one billion, six hundred fifty million, fifty-four thousand".