54065481 has 4 divisors (see below), whose sum is σ = 72087312. Its totient is φ = 36043652.

The previous prime is 54065443. The next prime is 54065489. The reversal of 54065481 is 18456045.

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.

It is a cyclic number.

It is not a de Polignac number, because 54065481 - 2¹⁴ = 54049097 is a prime.

It is a super-2 number, since 2×54065481² = 5846152471522722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54065489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9010911 + ... + 9010916.

It is an arithmetic number, because the mean of its divisors is an integer number (18021828).

Almost surely, 2^54065481 is an apocalyptic number.

It is an amenable number.

54065481 is a deficient number, since it is larger than the sum of its proper divisors (18021831).

54065481 is a wasteful number, since it uses less digits than its factorization.

54065481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18021830.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 54065481 is about 7352.9232962136. The cubic root of 54065481 is about 378.1290326824.

The spelling of 54065481 in words is "fifty-four million, sixty-five thousand, four hundred eighty-one".