54120213 has 12 divisors (see below), whose sum is σ = 89341408. Its totient is φ = 30925800.

The previous prime is 54120211. The next prime is 54120221. The reversal of 54120213 is 31202145.

It is not a de Polignac number, because 54120213 - 2¹ = 54120211 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 (54120211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429463 + ... + 429588.

Almost surely, 2^54120213 is an apocalyptic number.

It is an amenable number.

54120213 is a deficient number, since it is larger than the sum of its proper divisors (35221195).

54120213 is a wasteful number, since it uses less digits than its factorization.

54120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859064 (or 859061 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 54120213 is about 7356.6441398235. The cubic root of 54120213 is about 378.2565865186.

Adding to 54120213 its reverse (31202145), we get a palindrome (85322358).

The spelling of 54120213 in words is "fifty-four million, one hundred twenty thousand, two hundred thirteen".