55750567 has 2 divisors, whose sum is σ = 55750568. Its totient is φ = 55750566.

The previous prime is 55750553. The next prime is 55750577. The reversal of 55750567 is 76505755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55750567 - 2¹⁹ = 55226279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55750577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27875283 + 27875284.

It is an arithmetic number, because the mean of its divisors is an integer number (27875284).

Almost surely, 2^55750567 is an apocalyptic number.

55750567 is a deficient number, since it is larger than the sum of its proper divisors (1).

55750567 is an equidigital number, since it uses as much as digits as its factorization.

55750567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 55750567 is about 7466.6302305659. The cubic root of 55750567 is about 382.0173575622.

The spelling of 55750567 in words is "fifty-five million, seven hundred fifty thousand, five hundred sixty-seven".