425305550 has 24 divisors (see below), whose sum is σ = 791802000. Its totient is φ = 169964480.

The previous prime is 425305513. The next prime is 425305553. The reversal of 425305550 is 55503524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425305553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61151 + ... + 67749.

It is an arithmetic number, because the mean of its divisors is an integer number (32991750).

Almost surely, 2^425305550 is an apocalyptic number.

425305550 is a deficient number, since it is larger than the sum of its proper divisors (366496450).

425305550 is a wasteful number, since it uses less digits than its factorization.

425305550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 425305550 is about 20622.9374726298. The cubic root of 425305550 is about 752.0274329343.

The spelling of 425305550 in words is "four hundred twenty-five million, three hundred five thousand, five hundred fifty".