54209087 has 2 divisors, whose sum is σ = 54209088. Its totient is φ = 54209086.

The previous prime is 54209083. The next prime is 54209101. The reversal of 54209087 is 78090245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54209087 - 2² = 54209083 is a prime.

It is a super-2 number, since 2×54209087² = 5877250226747138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54209083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27104543 + 27104544.

It is an arithmetic number, because the mean of its divisors is an integer number (27104544).

Almost surely, 2^54209087 is an apocalyptic number.

54209087 is a deficient number, since it is larger than the sum of its proper divisors (1).

54209087 is an equidigital number, since it uses as much as digits as its factorization.

54209087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 54209087 is about 7362.6820520786. The cubic root of 54209087 is about 378.4635257821.

The spelling of 54209087 in words is "fifty-four million, two hundred nine thousand, eighty-seven".