551650601602 has 16 divisors (see below), whose sum is σ = 876887839800. Its totient is φ = 259818616960.

The previous prime is 551650601563. The next prime is 551650601609. The reversal of 551650601602 is 206106056155.

It can be written as a sum of positive squares in 4 ways, for example, as 180207891081 + 371442710521 = 424509^2 + 609461^2 .

It is not an unprimeable number, because it can be changed into a prime (551650601609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115988077 + ... + 115992832.

Almost surely, 2^551650601602 is an apocalyptic number.

551650601602 is a deficient number, since it is larger than the sum of its proper divisors (325237238198).

551650601602 is a wasteful number, since it uses less digits than its factorization.

551650601602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231980981.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 551650601602 its reverse (206106056155), we get a palindrome (757756657757).

The spelling of 551650601602 in words is "five hundred fifty-one billion, six hundred fifty million, six hundred one thousand, six hundred two".