551782620452 has 48 divisors (see below), whose sum is σ = 1159749360000. Its totient is φ = 224736083712.

The previous prime is 551782620437. The next prime is 551782620497. The reversal of 551782620452 is 254026287155.

It is a junction number, because it is equal to n+sod(n) for n = 551782620397 and 551782620406.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6148577 + ... + 6237672.

It is an arithmetic number, because the mean of its divisors is an integer number (24161445000).

Almost surely, 2^551782620452 is an apocalyptic number.

It is an amenable number.

551782620452 is an abundant number, since it is smaller than the sum of its proper divisors (607966739548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551782620452 is a wasteful number, since it uses less digits than its factorization.

551782620452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12386340 (or 12386338 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 551782620452 in words is "five hundred fifty-one billion, seven hundred eighty-two million, six hundred twenty thousand, four hundred fifty-two".