551432455031 has 8 divisors (see below), whose sum is σ = 559001823504. Its totient is φ = 543863505600.

The previous prime is 551432455027. The next prime is 551432455037. The reversal of 551432455031 is 130554234155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551432455031 - 2² = 551432455027 is a prime.

It is a super-2 number, since 2×551432455031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551432455037) 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, 3298400 + ... + 3461546.

It is an arithmetic number, because the mean of its divisors is an integer number (69875227938).

Almost surely, 2^551432455031 is an apocalyptic number.

551432455031 is a deficient number, since it is larger than the sum of its proper divisors (7569368473).

551432455031 is a wasteful number, since it uses less digits than its factorization.

551432455031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209521.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 551432455031 its reverse (130554234155), we get a palindrome (681986689186).

The spelling of 551432455031 in words is "five hundred fifty-one billion, four hundred thirty-two million, four hundred fifty-five thousand, thirty-one".