54320087 has 2 divisors, whose sum is σ = 54320088. Its totient is φ = 54320086.

The previous prime is 54320027. The next prime is 54320093. The reversal of 54320087 is 78002345.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54320087 - 2⁶ = 54320023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54320027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160043 + 27160044.

It is an arithmetic number, because the mean of its divisors is an integer number (27160044).

Almost surely, 2^54320087 is an apocalyptic number.

54320087 is a deficient number, since it is larger than the sum of its proper divisors (1).

54320087 is an equidigital number, since it uses as much as digits as its factorization.

54320087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 54320087 is about 7370.2162112112. The cubic root of 54320087 is about 378.7216670706.

The spelling of 54320087 in words is "fifty-four million, three hundred twenty thousand, eighty-seven".