551645124453 has 12 divisors (see below), whose sum is σ = 816255387948. Its totient is φ = 358793576640.

The previous prime is 551645124439. The next prime is 551645124473. The reversal of 551645124453 is 354421546155.

551645124453 is a `hidden beast` number, since 5 + 516 + 4 + 5 + 124 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86190977889 + 465454146564 = 293583^2 + 682242^2 .

It is not a de Polignac number, because 551645124453 - 2⁶ = 551645124389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551645124399 and 551645124408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551645124413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 747486250 + ... + 747486987.

It is an arithmetic number, because the mean of its divisors is an integer number (68021282329).

Almost surely, 2^551645124453 is an apocalyptic number.

It is an amenable number.

551645124453 is a deficient number, since it is larger than the sum of its proper divisors (264610263495).

551645124453 is a wasteful number, since it uses less digits than its factorization.

551645124453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494973284 (or 1494973281 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The spelling of 551645124453 in words is "five hundred fifty-one billion, six hundred forty-five million, one hundred twenty-four thousand, four hundred fifty-three".