56090087 has 2 divisors, whose sum is σ = 56090088. Its totient is φ = 56090086.

The previous prime is 56090081. The next prime is 56090119. The reversal of 56090087 is 78009065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56090087 - 2¹⁰ = 56089063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56090081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28045043 + 28045044.

It is an arithmetic number, because the mean of its divisors is an integer number (28045044).

Almost surely, 2^56090087 is an apocalyptic number.

56090087 is a deficient number, since it is larger than the sum of its proper divisors (1).

56090087 is an equidigital number, since it uses as much as digits as its factorization.

56090087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 56090087 is about 7489.3315456054. The cubic root of 56090087 is about 382.7912816794.

The spelling of 56090087 in words is "fifty-six million, ninety thousand, eighty-seven".