551244530405 has 8 divisors (see below), whose sum is σ = 661696555032. Its totient is φ = 440860211968.

The previous prime is 551244530393. The next prime is 551244530411. The reversal of 551244530405 is 504035442155.

It can be written as a sum of positive squares in 4 ways, for example, as 251167359556 + 300077170849 = 501166^2 + 547793^2 .

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 551244530405 - 2⁶ = 551244530341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16908632 + ... + 16941201.

It is an arithmetic number, because the mean of its divisors is an integer number (82712069379).

Almost surely, 2^551244530405 is an apocalyptic number.

It is an amenable number.

551244530405 is a deficient number, since it is larger than the sum of its proper divisors (110452024627).

551244530405 is a wasteful number, since it uses less digits than its factorization.

551244530405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33853095.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 551244530405 in words is "five hundred fifty-one billion, two hundred forty-four million, five hundred thirty thousand, four hundred five".