551005605494 has 16 divisors (see below), whose sum is σ = 870035050800. Its totient is φ = 260994795264.

The previous prime is 551005605413. The next prime is 551005605503. The reversal of 551005605494 is 494506500155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175714 + ... + 1576170.

It is an arithmetic number, because the mean of its divisors is an integer number (54377190675).

Almost surely, 2^551005605494 is an apocalyptic number.

551005605494 is a deficient number, since it is larger than the sum of its proper divisors (319029445306).

551005605494 is a wasteful number, since it uses less digits than its factorization.

551005605494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436687.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 551005605494 in words is "five hundred fifty-one billion, five million, six hundred five thousand, four hundred ninety-four".