54475787 has 2 divisors, whose sum is σ = 54475788. Its totient is φ = 54475786.

The previous prime is 54475783. The next prime is 54475801. The reversal of 54475787 is 78757445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54475787 - 2² = 54475783 is a prime.

It is a super-2 number, since 2×54475787² = 5935222738538738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54475781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27237893 + 27237894.

It is an arithmetic number, because the mean of its divisors is an integer number (27237894).

Almost surely, 2^54475787 is an apocalyptic number.

54475787 is a deficient number, since it is larger than the sum of its proper divisors (1).

54475787 is an equidigital number, since it uses as much as digits as its factorization.

54475787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1097600, while the sum is 47.

The square root of 54475787 is about 7380.7714366454. The cubic root of 54475787 is about 379.0831706230.

The spelling of 54475787 in words is "fifty-four million, four hundred seventy-five thousand, seven hundred eighty-seven".