551655622 has 24 divisors (see below), whose sum is σ = 976961304. Its totient is φ = 232892352.

The previous prime is 551655619. The next prime is 551655623. The reversal of 551655622 is 226556155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551655623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35443 + ... + 48574.

It is an arithmetic number, because the mean of its divisors is an integer number (40706721).

Almost surely, 2^551655622 is an apocalyptic number.

551655622 is a deficient number, since it is larger than the sum of its proper divisors (425305682).

551655622 is a wasteful number, since it uses less digits than its factorization.

551655622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84100 (or 84093 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 551655622 is about 23487.3502549777. The cubic root of 551655622 is about 820.1425599850.

The spelling of 551655622 in words is "five hundred fifty-one million, six hundred fifty-five thousand, six hundred twenty-two".