551353420424 has 16 divisors (see below), whose sum is σ = 1057829237520. Its totient is φ = 269265623760.

The previous prime is 551353420421. The next prime is 551353420439. The reversal of 551353420424 is 424024353155.

It is not an unprimeable number, because it can be changed into a prime (551353420421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801385442 + ... + 801386129.

It is an arithmetic number, because the mean of its divisors is an integer number (66114327345).

Almost surely, 2^551353420424 is an apocalyptic number.

It is an amenable number.

551353420424 is a deficient number, since it is larger than the sum of its proper divisors (506475817096).

551353420424 is a wasteful number, since it uses less digits than its factorization.

551353420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602771620 (or 1602771616 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 551353420424 its reverse (424024353155), we get a palindrome (975377773579).

The spelling of 551353420424 in words is "five hundred fifty-one billion, three hundred fifty-three million, four hundred twenty thousand, four hundred twenty-four".