55837369 has 4 divisors (see below), whose sum is σ = 63814144. Its totient is φ = 47860596.

The previous prime is 55837361. The next prime is 55837373. The reversal of 55837369 is 96373855.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96373855 = 5 ⋅19274771.

It is not a de Polignac number, because 55837369 - 2³ = 55837361 is a prime.

It is a super-2 number, since 2×55837369² = 6235623553684322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55837361) 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, 3988377 + ... + 3988390.

It is an arithmetic number, because the mean of its divisors is an integer number (15953536).

Almost surely, 2^55837369 is an apocalyptic number.

It is an amenable number.

55837369 is a deficient number, since it is larger than the sum of its proper divisors (7976775).

55837369 is an equidigital number, since it uses as much as digits as its factorization.

55837369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976774.

The product of its digits is 680400, while the sum is 46.

The square root of 55837369 is about 7472.4406320827. The cubic root of 55837369 is about 382.2155180335.

The spelling of 55837369 in words is "fifty-five million, eight hundred thirty-seven thousand, three hundred sixty-nine".