54921212 has 24 divisors (see below), whose sum is σ = 100907520. Its totient is φ = 26120880.

The previous prime is 54921199. The next prime is 54921221. The reversal of 54921212 is 21212945.

54921212 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

54921212 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3563 + ... + 11069.

It is an arithmetic number, because the mean of its divisors is an integer number (4204480).

Almost surely, 2^54921212 is an apocalyptic number.

It is an amenable number.

54921212 is a deficient number, since it is larger than the sum of its proper divisors (45986308).

54921212 is a wasteful number, since it uses less digits than its factorization.

54921212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601 (or 7599 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 54921212 is about 7410.8846975243. The cubic root of 54921212 is about 380.1135671639.

The spelling of 54921212 in words is "fifty-four million, nine hundred twenty-one thousand, two hundred twelve".