54124381 has 2 divisors, whose sum is σ = 54124382. Its totient is φ = 54124380.

The previous prime is 54124373. The next prime is 54124397. The reversal of 54124381 is 18342145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 25341156 = 5365^2 + 5034^2 .

It is a cyclic number.

It is not a de Polignac number, because 54124381 - 2³ = 54124373 is a prime.

It is a super-2 number, since 2×54124381² = 5858897237266322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54124321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27062190 + 27062191.

It is an arithmetic number, because the mean of its divisors is an integer number (27062191).

Almost surely, 2^54124381 is an apocalyptic number.

It is an amenable number.

54124381 is a deficient number, since it is larger than the sum of its proper divisors (1).

54124381 is an equidigital number, since it uses as much as digits as its factorization.

54124381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 54124381 is about 7356.9274157083. The cubic root of 54124381 is about 378.2662965874.

The spelling of 54124381 in words is "fifty-four million, one hundred twenty-four thousand, three hundred eighty-one".