54429581 has 2 divisors, whose sum is σ = 54429582. Its totient is φ = 54429580.

The previous prime is 54429577. The next prime is 54429587. The reversal of 54429581 is 18592445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 24344356 = 5485^2 + 4934^2 .

It is a cyclic number.

It is not a de Polignac number, because 54429581 - 2² = 54429577 is a prime.

It is a super-2 number, since 2×54429581² = 5925158575671122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54429587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27214790 + 27214791.

It is an arithmetic number, because the mean of its divisors is an integer number (27214791).

Almost surely, 2^54429581 is an apocalyptic number.

It is an amenable number.

54429581 is a deficient number, since it is larger than the sum of its proper divisors (1).

54429581 is an equidigital number, since it uses as much as digits as its factorization.

54429581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The square root of 54429581 is about 7377.6406120114. The cubic root of 54429581 is about 378.9759616985.

The spelling of 54429581 in words is "fifty-four million, four hundred twenty-nine thousand, five hundred eighty-one".