54975769 has 2 divisors, whose sum is σ = 54975770. Its totient is φ = 54975768.

The previous prime is 54975763. The next prime is 54975779. The reversal of 54975769 is 96757945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 38025 = 7412^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 54975769 - 2⁵ = 54975737 is a prime.

It is a super-2 number, since 2×54975769² = 6044670354282722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54975763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27487884 + 27487885.

It is an arithmetic number, because the mean of its divisors is an integer number (27487885).

Almost surely, 2^54975769 is an apocalyptic number.

It is an amenable number.

54975769 is a deficient number, since it is larger than the sum of its proper divisors (1).

54975769 is an equidigital number, since it uses as much as digits as its factorization.

54975769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 52.

The square root of 54975769 is about 7414.5646534372. The cubic root of 54975769 is about 380.2393897871.

The spelling of 54975769 in words is "fifty-four million, nine hundred seventy-five thousand, seven hundred sixty-nine".