54381428 has 6 divisors (see below), whose sum is σ = 95167506. Its totient is φ = 27190712.

The previous prime is 54381427. The next prime is 54381443. The reversal of 54381428 is 82418345.

It can be written as a sum of positive squares in only one way, i.e., 52243984 + 2137444 = 7228^2 + 1462^2 .

It is a super-2 number, since 2×54381428² = 5914679422638368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54381427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6797675 + ... + 6797682.

It is an arithmetic number, because the mean of its divisors is an integer number (15861251).

Almost surely, 2^54381428 is an apocalyptic number.

It is an amenable number.

54381428 is a deficient number, since it is larger than the sum of its proper divisors (40786078).

54381428 is a wasteful number, since it uses less digits than its factorization.

54381428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595361 (or 13595359 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 54381428 is about 7374.3764482158. The cubic root of 54381428 is about 378.8641706878.

The spelling of 54381428 in words is "fifty-four million, three hundred eighty-one thousand, four hundred twenty-eight".