55237636 has 12 divisors (see below), whose sum is σ = 101753680. Its totient is φ = 26165160.

The previous prime is 55237613. The next prime is 55237639. The reversal of 55237636 is 63673255.

It is a happy number.

It is a hoax number, since the sum of its digits (37) 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 = 55237595 and 55237604.

It is not an unprimeable number, because it can be changed into a prime (55237639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363330 + ... + 363481.

Almost surely, 2^55237636 is an apocalyptic number.

It is an amenable number.

55237636 is a deficient number, since it is larger than the sum of its proper divisors (46516044).

55237636 is a wasteful number, since it uses less digits than its factorization.

55237636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726834 (or 726832 counting only the distinct ones).

The product of its digits is 113400, while the sum is 37.

The square root of 55237636 is about 7432.2026344819. The cubic root of 55237636 is about 380.8421672728.

The spelling of 55237636 in words is "fifty-five million, two hundred thirty-seven thousand, six hundred thirty-six".