55437583 has 4 divisors (see below), whose sum is σ = 55534240. Its totient is φ = 55340928.

The previous prime is 55437541. The next prime is 55437601. The reversal of 55437583 is 38573455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55437583 - 2⁹ = 55437071 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 (55431583) 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, 47463 + ... + 48616.

It is an arithmetic number, because the mean of its divisors is an integer number (13883560).

Almost surely, 2^55437583 is an apocalyptic number.

55437583 is a deficient number, since it is larger than the sum of its proper divisors (96657).

55437583 is an equidigital number, since it uses as much as digits as its factorization.

55437583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96656.

The product of its digits is 252000, while the sum is 40.

The square root of 55437583 is about 7445.6418796501. The cubic root of 55437583 is about 381.3011330504.

The spelling of 55437583 in words is "fifty-five million, four hundred thirty-seven thousand, five hundred eighty-three".