54812919 has 12 divisors (see below), whose sum is σ = 85016184. Its totient is φ = 31321584.

The previous prime is 54812911. The next prime is 54812921. The reversal of 54812919 is 91921845.

54812919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54812919 - 2³ = 54812911 is a prime.

It is a super-2 number, since 2×54812919² = 6008912178601122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54812911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186292 + ... + 186585.

It is an arithmetic number, because the mean of its divisors is an integer number (7084682).

Almost surely, 2^54812919 is an apocalyptic number.

54812919 is a deficient number, since it is larger than the sum of its proper divisors (30203265).

54812919 is a wasteful number, since it uses less digits than its factorization.

54812919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372894 (or 372887 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 54812919 is about 7403.5747446757. The cubic root of 54812919 is about 379.8635682895.

The spelling of 54812919 in words is "fifty-four million, eight hundred twelve thousand, nine hundred nineteen".