54726709 has 2 divisors, whose sum is σ = 54726710. Its totient is φ = 54726708.

The previous prime is 54726703. The next prime is 54726731. The reversal of 54726709 is 90762745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 17455684 = 6105^2 + 4178^2 .

It is a cyclic number.

It is not a de Polignac number, because 54726709 - 2³ = 54726701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54726701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27363354 + 27363355.

It is an arithmetic number, because the mean of its divisors is an integer number (27363355).

Almost surely, 2^54726709 is an apocalyptic number.

It is an amenable number.

54726709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54726709 is an equidigital number, since it uses as much as digits as its factorization.

54726709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 54726709 is about 7397.7502661282. The cubic root of 54726709 is about 379.6643134266.

The spelling of 54726709 in words is "fifty-four million, seven hundred twenty-six thousand, seven hundred nine".