54774381 has 8 divisors (see below), whose sum is σ = 73566144. Its totient is φ = 36249440.

The previous prime is 54774347. The next prime is 54774403. The reversal of 54774381 is 18347745.

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 54774381 - 2²⁵ = 21219949 is a prime.

It is a super-2 number, since 2×54774381² = 6000465627866322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54774311) 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, 66225 + ... + 67046.

It is an arithmetic number, because the mean of its divisors is an integer number (9195768).

Almost surely, 2^54774381 is an apocalyptic number.

It is an amenable number.

54774381 is a deficient number, since it is larger than the sum of its proper divisors (18791763).

54774381 is a wasteful number, since it uses less digits than its factorization.

54774381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133411.

The product of its digits is 94080, while the sum is 39.

The square root of 54774381 is about 7400.9716254016. The cubic root of 54774381 is about 379.7745222845.

It can be divided in two parts, 54774 and 381, that added together give a palindrome (55155).

The spelling of 54774381 in words is "fifty-four million, seven hundred seventy-four thousand, three hundred eighty-one".