54613729 has 2 divisors, whose sum is σ = 54613730. Its totient is φ = 54613728.

The previous prime is 54613721. The next prime is 54613747. The reversal of 54613729 is 92731645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54420129 + 193600 = 7377^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 54613729 - 2³ = 54613721 is a prime.

It is not a weakly prime, because it can be changed into another prime (54613721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27306864 + 27306865.

It is an arithmetic number, because the mean of its divisors is an integer number (27306865).

Almost surely, 2^54613729 is an apocalyptic number.

It is an amenable number.

54613729 is a deficient number, since it is larger than the sum of its proper divisors (1).

54613729 is an equidigital number, since it uses as much as digits as its factorization.

54613729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 54613729 is about 7390.1102156869. The cubic root of 54613729 is about 379.4028687164.

The spelling of 54613729 in words is "fifty-four million, six hundred thirteen thousand, seven hundred twenty-nine".