551324425420 has 24 divisors (see below), whose sum is σ = 1162085324400. Its totient is φ = 219709954752.

The previous prime is 551324425409. The next prime is 551324425427. The reversal of 551324425420 is 24524423155.

551324425420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 551324425420.

It is not an unprimeable number, because it can be changed into a prime (551324425427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51232950 + ... + 51243709.

It is an arithmetic number, because the mean of its divisors is an integer number (48420221850).

Almost surely, 2^551324425420 is an apocalyptic number.

It is an amenable number.

551324425420 is an abundant number, since it is smaller than the sum of its proper divisors (610760898980).

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

551324425420 is a wasteful number, since it uses less digits than its factorization.

551324425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102476937 (or 102476935 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 551324425420 its reverse (24524423155), we get a palindrome (575848848575).

The spelling of 551324425420 in words is "five hundred fifty-one billion, three hundred twenty-four million, four hundred twenty-five thousand, four hundred twenty".