5210551650 has 48 divisors (see below), whose sum is σ = 13085769600. Its totient is φ = 1371888960.

The previous prime is 5210551613. The next prime is 5210551651. The reversal of 5210551650 is 561550125.

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

It is not an unprimeable number, because it can be changed into a prime (5210551651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208005 + ... + 231704.

It is an arithmetic number, because the mean of its divisors is an integer number (272620200).

Almost surely, 2^5210551650 is an apocalyptic number.

5210551650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5210551650 is an abundant number, since it is smaller than the sum of its proper divisors (7875217950).

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

5210551650 is a wasteful number, since it uses less digits than its factorization.

5210551650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439803 (or 439798 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 5210551650 is about 72184.1509612740. The cubic root of 5210551650 is about 1733.6492461255.

The spelling of 5210551650 in words is "five billion, two hundred ten million, five hundred fifty-one thousand, six hundred fifty".