54309793 has 2 divisors, whose sum is σ = 54309794. Its totient is φ = 54309792.

The previous prime is 54309757. The next prime is 54309797. The reversal of 54309793 is 39790345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49238289 + 5071504 = 7017^2 + 2252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54309793 is a prime.

It is not a weakly prime, because it can be changed into another prime (54309797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27154896 + 27154897.

It is an arithmetic number, because the mean of its divisors is an integer number (27154897).

Almost surely, 2^54309793 is an apocalyptic number.

It is an amenable number.

54309793 is a deficient number, since it is larger than the sum of its proper divisors (1).

54309793 is an equidigital number, since it uses as much as digits as its factorization.

54309793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 54309793 is about 7369.5178268324. The cubic root of 54309793 is about 378.6977421756.

The spelling of 54309793 in words is "fifty-four million, three hundred nine thousand, seven hundred ninety-three".