54475691 has 2 divisors, whose sum is σ = 54475692. Its totient is φ = 54475690.

The previous prime is 54475657. The next prime is 54475697. The reversal of 54475691 is 19657445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54475691 - 2⁶ = 54475627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (54475697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27237845 + 27237846.

It is an arithmetic number, because the mean of its divisors is an integer number (27237846).

Almost surely, 2^54475691 is an apocalyptic number.

54475691 is a deficient number, since it is larger than the sum of its proper divisors (1).

54475691 is an equidigital number, since it uses as much as digits as its factorization.

54475691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 54475691 is about 7380.7649332573. The cubic root of 54475691 is about 379.0829479430.

The spelling of 54475691 in words is "fifty-four million, four hundred seventy-five thousand, six hundred ninety-one".