54415381 has 8 divisors (see below), whose sum is σ = 55306944. Its totient is φ = 53529600.

The previous prime is 54415357. The next prime is 54415391. The reversal of 54415381 is 18351445.

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 54415381 - 2⁹ = 54414869 is a prime.

It is a super-2 number, since 2×54415381² = 5922067378750322, 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 (54415391) 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, 20056 + ... + 22606.

It is an arithmetic number, because the mean of its divisors is an integer number (6913368).

Almost surely, 2^54415381 is an apocalyptic number.

It is an amenable number.

54415381 is a deficient number, since it is larger than the sum of its proper divisors (891563).

54415381 is a wasteful number, since it uses less digits than its factorization.

54415381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its digits is 9600, while the sum is 31.

The square root of 54415381 is about 7376.6781819461. The cubic root of 54415381 is about 378.9430021288.

The spelling of 54415381 in words is "fifty-four million, four hundred fifteen thousand, three hundred eighty-one".