55567636 has 12 divisors (see below), whose sum is σ = 99871828. Its totient is φ = 27032832.

The previous prime is 55567607. The next prime is 55567639. The reversal of 55567636 is 63676555.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 13395600 = 6494^2 + 3660^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55567592 and 55567601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55567639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187581 + ... + 187876.

Almost surely, 2^55567636 is an apocalyptic number.

It is an amenable number.

55567636 is a deficient number, since it is larger than the sum of its proper divisors (44304192).

55567636 is a wasteful number, since it uses less digits than its factorization.

55567636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375498 (or 375496 counting only the distinct ones).

The product of its digits is 567000, while the sum is 43.

The square root of 55567636 is about 7454.3702617994. The cubic root of 55567636 is about 381.5990694936.

The spelling of 55567636 in words is "fifty-five million, five hundred sixty-seven thousand, six hundred thirty-six".