54640793 has 2 divisors, whose sum is σ = 54640794. Its totient is φ = 54640792.

The previous prime is 54640787. The next prime is 54640813. The reversal of 54640793 is 39704645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 20675209 = 5828^2 + 4547^2 .

It is a cyclic number.

It is not a de Polignac number, because 54640793 - 2⁴ = 54640777 is a prime.

It is not a weakly prime, because it can be changed into another prime (54640753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27320396 + 27320397.

It is an arithmetic number, because the mean of its divisors is an integer number (27320397).

Almost surely, 2^54640793 is an apocalyptic number.

It is an amenable number.

54640793 is a deficient number, since it is larger than the sum of its proper divisors (1).

54640793 is an equidigital number, since it uses as much as digits as its factorization.

54640793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 54640793 is about 7391.9410847219. The cubic root of 54640793 is about 379.4655297832.

The spelling of 54640793 in words is "fifty-four million, six hundred forty thousand, seven hundred ninety-three".