54555213 has 8 divisors (see below), whose sum is σ = 76568800. Its totient is φ = 34455888.

The previous prime is 54555209. The next prime is 54555223. The reversal of 54555213 is 31255545.

It is a happy number.

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

It is not a de Polignac number, because 54555213 - 2² = 54555209 is a prime.

It is a super-3 number, since 3×54555213³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555223) 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 7 ways as a sum of consecutive naturals, for example, 478498 + ... + 478611.

It is an arithmetic number, because the mean of its divisors is an integer number (9571100).

Almost surely, 2^54555213 is an apocalyptic number.

It is an amenable number.

54555213 is a deficient number, since it is larger than the sum of its proper divisors (22013587).

54555213 is a wasteful number, since it uses less digits than its factorization.

54555213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957131.

The product of its digits is 15000, while the sum is 30.

The square root of 54555213 is about 7386.1500797100. The cubic root of 54555213 is about 379.2673162796.

The spelling of 54555213 in words is "fifty-four million, five hundred fifty-five thousand, two hundred thirteen".