6425320550 has 96 divisors (see below), whose sum is σ = 13223126880. Its totient is φ = 2303513600.

The previous prime is 6425320547. The next prime is 6425320553. The reversal of 6425320550 is 550235246.

It is an interprime number because it is at equal distance from previous prime (6425320547) and next prime (6425320553).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425320553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20268992 + ... + 20269308.

It is an arithmetic number, because the mean of its divisors is an integer number (137740905).

Almost surely, 2^6425320550 is an apocalyptic number.

6425320550 is an abundant number, since it is smaller than the sum of its proper divisors (6797806330).

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

6425320550 is a wasteful number, since it uses less digits than its factorization.

6425320550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 6425320550 is about 80158.0972204306. The cubic root of 6425320550 is about 1859.0808028003.

Adding to 6425320550 its reverse (550235246), we get a palindrome (6975555796).

The spelling of 6425320550 in words is "six billion, four hundred twenty-five million, three hundred twenty thousand, five hundred fifty".