551404023032 has 32 divisors (see below), whose sum is σ = 1038220317120. Its totient is φ = 274546298880.

The previous prime is 551404023031. The next prime is 551404023043. The reversal of 551404023032 is 230320404155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 551404022986 and 551404023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551404023031) 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, 4309808 + ... + 4435904.

It is an arithmetic number, because the mean of its divisors is an integer number (32444384910).

Almost surely, 2^551404023032 is an apocalyptic number.

It is an amenable number.

551404023032 is a deficient number, since it is larger than the sum of its proper divisors (486816294088).

551404023032 is a wasteful number, since it uses less digits than its factorization.

551404023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128391 (or 128387 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 551404023032 its reverse (230320404155), we get a palindrome (781724427187).

The spelling of 551404023032 in words is "five hundred fifty-one billion, four hundred four million, twenty-three thousand, thirty-two".