55454213 has 4 divisors (see below), whose sum is σ = 55560768. Its totient is φ = 55347660.

The previous prime is 55454197. The next prime is 55454227. The reversal of 55454213 is 31245455.

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 55454213 - 2⁴ = 55454197 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 (55454713) 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, 52493 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (13890192).

Almost surely, 2^55454213 is an apocalyptic number.

It is an amenable number.

55454213 is a deficient number, since it is larger than the sum of its proper divisors (106555).

55454213 is a wasteful number, since it uses less digits than its factorization.

55454213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106554.

The product of its digits is 12000, while the sum is 29.

The square root of 55454213 is about 7446.7585565802. The cubic root of 55454213 is about 381.3392564290.

Adding to 55454213 its reverse (31245455), we get a palindrome (86699668).

The spelling of 55454213 in words is "fifty-five million, four hundred fifty-four thousand, two hundred thirteen".