3215545050 has 96 divisors (see below), whose sum is σ = 8063055360. Its totient is φ = 848030400.

The previous prime is 3215545013. The next prime is 3215545079. The reversal of 3215545050 is 505455123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3215544999 and 3215545017.

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 47 ways as a sum of consecutive naturals, for example, 8956771 + ... + 8957129.

It is an arithmetic number, because the mean of its divisors is an integer number (83990160).

Almost surely, 2^3215545050 is an apocalyptic number.

3215545050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215545050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4031527680).

3215545050 is an abundant number, since it is smaller than the sum of its proper divisors (4847510310).

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

3215545050 is a wasteful number, since it uses less digits than its factorization.

3215545050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 3215545050 is about 56705.7761608110. The cubic root of 3215545050 is about 1475.9949315342.

The spelling of 3215545050 in words is "three billion, two hundred fifteen million, five hundred forty-five thousand, fifty".