55704587 has 2 divisors, whose sum is σ = 55704588. Its totient is φ = 55704586.

The previous prime is 55704581. The next prime is 55704589. The reversal of 55704587 is 78540755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55704587 - 2¹⁴ = 55688203 is a prime.

Together with 55704589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55704581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27852293 + 27852294.

It is an arithmetic number, because the mean of its divisors is an integer number (27852294).

Almost surely, 2^55704587 is an apocalyptic number.

55704587 is a deficient number, since it is larger than the sum of its proper divisors (1).

55704587 is an equidigital number, since it uses as much as digits as its factorization.

55704587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 55704587 is about 7463.5505625674. The cubic root of 55704587 is about 381.9123063781.

The spelling of 55704587 in words is "fifty-five million, seven hundred four thousand, five hundred eighty-seven".