55732201 has 4 divisors (see below), whose sum is σ = 63693952. Its totient is φ = 47770452.

The previous prime is 55732169. The next prime is 55732207. The reversal of 55732201 is 10223755.

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 55732201 - 2⁵ = 55732169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55732207) 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, 3980865 + ... + 3980878.

It is an arithmetic number, because the mean of its divisors is an integer number (15923488).

Almost surely, 2^55732201 is an apocalyptic number.

It is an amenable number.

55732201 is a deficient number, since it is larger than the sum of its proper divisors (7961751).

55732201 is an equidigital number, since it uses as much as digits as its factorization.

55732201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961750.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55732201 is about 7465.4002571865. The cubic root of 55732201 is about 381.9754034216.

Adding to 55732201 its reverse (10223755), we get a palindrome (65955956).

The spelling of 55732201 in words is "fifty-five million, seven hundred thirty-two thousand, two hundred one".