55063213 has 8 divisors (see below), whose sum is σ = 56088032. Its totient is φ = 54044496.

The previous prime is 55063181. The next prime is 55063247. The reversal of 55063213 is 31236055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55063213 - 2⁵ = 55063181 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 (55003213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19231 + ... + 21907.

It is an arithmetic number, because the mean of its divisors is an integer number (7011004).

Almost surely, 2^55063213 is an apocalyptic number.

It is an amenable number.

55063213 is a deficient number, since it is larger than the sum of its proper divisors (1024819).

55063213 is a wasteful number, since it uses less digits than its factorization.

55063213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 55063213 is about 7420.4590828331. The cubic root of 55063213 is about 380.4408848608.

Adding to 55063213 its reverse (31236055), we get a palindrome (86299268).

The spelling of 55063213 in words is "fifty-five million, sixty-three thousand, two hundred thirteen".