54812381 has 8 divisors (see below), whose sum is σ = 61595520. Its totient is φ = 48395952.

The previous prime is 54812353. The next prime is 54812383. The reversal of 54812381 is 18321845.

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 54812381 - 2¹⁰ = 54811357 is a prime.

It is a super-2 number, since 2×54812381² = 6008794221778322, which contains 22 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 (54812383) 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, 91361 + ... + 91958.

It is an arithmetic number, because the mean of its divisors is an integer number (7699440).

Almost surely, 2^54812381 is an apocalyptic number.

It is an amenable number.

54812381 is a deficient number, since it is larger than the sum of its proper divisors (6783139).

54812381 is a wasteful number, since it uses less digits than its factorization.

54812381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183355.

The product of its digits is 7680, while the sum is 32.

The square root of 54812381 is about 7403.5384107871. The cubic root of 54812381 is about 379.8623254726.

The spelling of 54812381 in words is "fifty-four million, eight hundred twelve thousand, three hundred eighty-one".