55413637 has 4 divisors (see below), whose sum is σ = 55505536. Its totient is φ = 55321740.

The previous prime is 55413619. The next prime is 55413641. The reversal of 55413637 is 73631455.

55413637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55413637 - 2¹⁵ = 55380869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45039 + ... + 46252.

It is an arithmetic number, because the mean of its divisors is an integer number (13876384).

Almost surely, 2^55413637 is an apocalyptic number.

It is an amenable number.

55413637 is a deficient number, since it is larger than the sum of its proper divisors (91899).

55413637 is an equidigital number, since it uses as much as digits as its factorization.

55413637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91898.

The product of its digits is 37800, while the sum is 34.

The square root of 55413637 is about 7444.0336511867. The cubic root of 55413637 is about 381.2462247409.

The spelling of 55413637 in words is "fifty-five million, four hundred thirteen thousand, six hundred thirty-seven".