55843501 has 4 divisors (see below), whose sum is σ = 63821152. Its totient is φ = 47865852.

The previous prime is 55843499. The next prime is 55843507. The reversal of 55843501 is 10534855.

55843501 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 55843501 - 2¹ = 55843499 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 (55843507) 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, 3988815 + ... + 3988828.

It is an arithmetic number, because the mean of its divisors is an integer number (15955288).

Almost surely, 2^55843501 is an apocalyptic number.

It is an amenable number.

55843501 is a deficient number, since it is larger than the sum of its proper divisors (7977651).

55843501 is an equidigital number, since it uses as much as digits as its factorization.

55843501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977650.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 55843501 is about 7472.8509285279. The cubic root of 55843501 is about 382.2295090208.

The spelling of 55843501 in words is "fifty-five million, eight hundred forty-three thousand, five hundred one".