54750691 has 2 divisors, whose sum is σ = 54750692. Its totient is φ = 54750690.

The previous prime is 54750679. The next prime is 54750697. The reversal of 54750691 is 19605745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54750691 - 2¹⁷ = 54619619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54750691.

It is not a weakly prime, because it can be changed into another prime (54750697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27375345 + 27375346.

It is an arithmetic number, because the mean of its divisors is an integer number (27375346).

Almost surely, 2^54750691 is an apocalyptic number.

54750691 is a deficient number, since it is larger than the sum of its proper divisors (1).

54750691 is an equidigital number, since it uses as much as digits as its factorization.

54750691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 54750691 is about 7399.3709867799. The cubic root of 54750691 is about 379.7197633769.

The spelling of 54750691 in words is "fifty-four million, seven hundred fifty thousand, six hundred ninety-one".