54081637 has 4 divisors (see below), whose sum is σ = 54308160. Its totient is φ = 53855116.

The previous prime is 54081617. The next prime is 54081649. The reversal of 54081637 is 73618045.

54081637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73618045 = 5 ⋅14723609.

It is a cyclic number.

It is not a de Polignac number, because 54081637 - 2⁷ = 54081509 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 (54081617) 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 3 ways as a sum of consecutive naturals, for example, 112903 + ... + 113380.

It is an arithmetic number, because the mean of its divisors is an integer number (13577040).

Almost surely, 2^54081637 is an apocalyptic number.

It is an amenable number.

54081637 is a deficient number, since it is larger than the sum of its proper divisors (226523).

54081637 is a wasteful number, since it uses less digits than its factorization.

54081637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226522.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 54081637 is about 7354.0218248248. The cubic root of 54081637 is about 378.1666934605.

The spelling of 54081637 in words is "fifty-four million, eighty-one thousand, six hundred thirty-seven".